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Cisco part 1
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Questions in this quiz (200)
1What is a characteristic of a fault tolerant network?
- Aa network that protects confidential information from unauthorized access
- Ba network that can expand quickly to support new users and applications without impacting the performance of the service delivered to existing users
- Ca network that supports a mechanism for managing congestion and ensuring reliable delivery of content to all users
- Da network that recovers quickly when a failure occurs and depends on redundancy to limit the impact of a failure
2What is a benefit of using cloud computing in networking?
- AEnd users have the freedom to use personal tools to access information and communicate across a business network.
- BNetwork capabilities are extended without requiring investment in new infrastructure, personnel, or software.
- CTechnology is integrated into every-day appliances allowing them to interconnect with other devices, making them more ‘smart’ or automated.
- DHome networking uses existing electrical wiring to connect devices to the network wherever there is an electrical outlet, saving the cost of installing data cables.
3What is the function of the shell in an OS
- AIt interacts with the device hardware.
- BIt interfaces between the users and the kernel.
- CIt provides dedicated firewall services.
- DIt provides the intrusion protection services for the device.
4Which connection provides a secure CLI session with encryption to a Cisco switch?
- Aa console connection
- Ban AUX connection
- Ca Telnet connection
- Dan SSH connection
5A network technician is attempting to configure an interface by entering the following command: SanJose(config)# ip address 192.168.2.1 255.255.255.0. The command is rejected by the device. What is the reason for this?
- AThe command is being entered from the wrong mode of operation.
- BThe command syntax is wrong.
- CThe subnet mask information is incorrect.
- DThe interface is shutdown and must be enabled before the switch will accept the IP address.
6Which communication tool allows real-time collaboration?
- Awiki
- Be-mail
- Cweblog
- Dinstant messaging
7A host is accessing a Web server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.)
- Aregenerating data signals
- Bacting as a client or a server
- Cproviding a channel over which messages travel
- Dapplying security settings to control the flow of data
- Enotifying other devices when errors occur
- Fserving as the source or destination of the messages
8An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?
- Ato restart the ping process
- Bto interrupt the ping process
- Cto exit to a different configuration mode
- Dto allow the user to complete the command
9Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses a console connection to connect to the switch, which password is needed to access user EXEC mode?
- Aletmein
- Bsecretin
- Clinevtyin
- Dlineconin
10Refer to the exhibit. From which location did this router load the IOS?
- Aflash memory
- BNVRAM
- CRAM
- DROM
- ETFTP server
11Refer to the exhibit. Which action will be successful?
- APC1 can send a ping to 192.168.1.1
- BPC1 can send a ping to 192.168.1.254
- CPC2 can send a ping to 192.168.1.1
- DPC2 can send a ping to 192.168.1.254
12Refer to the exhibit. An administrator is trying to configure the switch but receives the error message that is displayed in the exhibit. What is the problem?
- AThe entire command, configure terminal, must be used.
- BThe administrator is already in global configuration mode.
- CThe administrator must first enter privileged EXEC mode before issuing the command.
- DThe administrator must connect via the console port to access global configuration mode.
13On which switch interface would an administrator configure an IP address so that the switch can be managed remotely?
- AFastEthernet0/1
- BVLAN 1
- Cvty 0
- Dconsole 0
14What protocol is responsible for controlling the size of segments and the rate at which segments are exchanged between a web client and a web server?
- ATCP
- BIP
- CHTTP
- DEthernet
15What is an advantage to using a protocol that is defined by an open standard?
- AA company can monopolize the market.
- BThe protocol can only be run on equipment from a specific vendor.
- CAn open standard protocol is not controlled or regulated by standards organizations.
- DIt encourages competition and promotes choices.
16What are two benefits of using a layered network model? (Choose two.)
- AIt assists in protocol design.
- BIt speeds up packet delivery.
- CIt prevents designers from creating their own model.
- DIt prevents technology in one layer from affecting other layers.
- EIt ensures a device at one layer can function at the next higher layer.
17Which two OSI model layers have the same functionality as two layers of the TCP/IP model? (Choose two.)
- Adata link
- Bnetwork
- Cphysical
- Dsession
- Etransport
18Which name is assigned to the transport layer PDU?
- Abits
- Bdata
- Cframe
- Dpacket
- Esegment
19A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized?
- Apresentation layer
- Bnetwork layer
- Cphysical layer
- Ddata link layer
20A network administrator is measuring the transfer of bits across the company backbone for a mission critical financial application. The administrator notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)
- Athe amount of traffic that is currently crossing the network
- Bthe sophistication of the encapsulation method applied to the data
- Cthe type of traffic that is crossing the network
- Dthe latency that is created by the number of network devices that the data is crossing
- Ethe bandwidth of the WAN connection to the Internet
- Fthe reliability of the gigabit Ethernet infrastructure of the backbone
21What is a characteristic of UTP cabling?
- Acancellation
- Bcladding
- Cimmunity to electrical hazards
- Dwoven copper braid or metallic foil
22What are two characteristics of fiber-optic cable? (Choose two.)
- AIt is not affected by EMI or RFI.
- BEach pair of cables is wrapped in metallic foil.
- CIt combines the technique of cancellation, shielding, and twisting to protect data.
- DIt typically contains 4 pairs of fiber-optic wires.
- EIt is more expensive than UTP cabling is.
23What is a characteristic of the LLC sublayer?
- AIt provides the logical addressing required that identifies the device.
- BIt provides delimitation of data according to the physical signaling requirements of the medium.
- CIt places information in the frame allowing multiple Layer 3 protocols to use the same network interface and media.
- DIt defines software processes that provide services to the physical layer.
24A network team is comparing physical WAN topologies for connecting remote sites to a headquarters building. Which topology provides high availability and connects some, but not all, remote sites?
- Amesh
- Bpartial mesh
- Chub and spoke
- Dpoint-to-point
25What method is used to manage contention-based access on a wireless network?
- ACSMA/CD
- Bpriority ordering
- CCSMA/CA
- Dtoken passing
26What will a host on an Ethernet network do if it receives a frame with a destination MAC address that does not match its own MAC address?
- AIt will discard the frame.
- BIt will forward the frame to the next host.
- CIt will remove the frame from the media.
- DIt will strip off the data-link frame to check the destination IP address.
27Which frame forwarding method receives the entire frame and performs a CRC check to detect errors before forwarding the frame?
- Acut-through switching
- Bstore-and-forward switching
- Cfragment-free switching
- Dfast-forward switching
28Refer to the exhibit. If host A sends an IP packet to host B, what will the destination address be in the frame when it leaves host A?
- ADD:DD:DD:DD:DD:DD
- B172.168.10.99
- CCC:CC:CC:CC:CC:CC
- D172.168.10.65
- EBB:BB:BB:BB:BB:BB
- FAA:AA:AA:AA:AA:AA
29What addresses are mapped by ARP?
- Adestination MAC address to a destination IPv4 address
- Bdestination IPv4 address to the source MAC address
- Cdestination IPv4 address to the destination host name
- Ddestination MAC address to the source IPv4 address
30What are two services provided by the OSI network layer? (Choose two.)
- Aperforming error detection
- Brouting packets toward the destination
- Cencapsulating PDUs from the transport layer*
- Dplacement of frames on the media
- Ecollision detection
31What are two functions of NVRAM? (Choose two.)
- Ato store the routing table
- Bto retain contents when power is removed
- Cto store the startup configuration file
- Dto contain the running configuration file
- Eto store the ARP table
32Refer to the exhibit. What will be the result of entering this configuration the next time a network administrator connects a console cable to the router and no additional commands have been entered?
- AThe administrator will be required to enter Cisco123.
- BThe administrator will be required to enter Cisco234.
- CThe administrator will be required to enter Cisco789.
- DThe administrator will be presented with the R1> prompt.
33What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?
- A192.0.2.199
- B198.51.100.201
- C203.0.113.211
- D209.165.201.223
34What are three characteristics of multicast transmission? (Choose three.)
- AThe source address of a multicast transmission is in the range of 224.0.0.0 to 224.0.0.255.
- BA single packet can be sent to a group of hosts.
- CMulticast transmission can be used by routers to exchange routing information.
- DRouters will not forward multicast addresses in the range of 224.0.0.0 to 224.0.0.255.
- EComputers use multicast transmission to request IPv4 addresses.
- FMulticast messages map lower layer addresses to upper layer addresses.
35What are the three ranges of IP addresses that are reserved for internal private use? (Choose three.)
- A10.0.0.0/8
- B64.100.0.0/14
- C127.16.0.0/12
- D172.16.0.0/12
- E192.31.7.0/24
- F192.168.0.0/16
36What purpose does NAT64 serve in IPv6?
- AIt converts IPv6 packets into IPv4 packets.
- BIt translates private IPv6 addresses into public IPv6 addresses.
- CIt enables companies to use IPv6 unique local addresses in the network.
- DIt converts regular IPv6 addresses into 64-bit addresses that can be used on the Internet.
- EIt converts the 48-bit MAC address into a 64-bit host address that can be used for automatic host addressing.
37What is the most compressed representation of the IPv6 address 2001:0000:0000:abcd:0000:0000:0000:0001?
- A2001:0:abcd::1
- B2001:0:0:abcd::1
- C2001::abcd::1
- D2001:0000:abcd::1
- E2001::abcd:0:1
38Which range of link-local addresses can be assigned to an IPv6-enabled interface?
- AFEC0::/10
- BFDEE::/7
- CFE80::/10
- DFF00::/8
39How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?
- A254
- B190
- C192
- D62
- E64
40A site administrator has been told that a particular network at the site must accommodate 126 hosts. Which subnet mask would be used that contains the required number of host bits?
- A255.255.255.0
- B255.255.255.128
- C255.255.255.224
- D255.255.255.240
41Which subnet would include the address 192.168.1.96 as a usable host address?
- A192.168.1.64/26
- B192.168.1.32/27
- C192.168.1.32/28
- D192.168.1.64/29
42Which statement is true about variable-length subnet masking?
- AEach subnet is the same size.
- BThe size of each subnet may be different, depending on requirements.
- CSubnets may only be subnetted one additional time.
- DBits are returned, rather than borrowed, to create additional subnets.
43Which scenario describes a function provided by the transport layer?
- AA student is using a classroom VoIP phone to call home. The unique identifier burned into the phone is a transport layer address used to contact another network device on the same network.
- BA student is playing a short web-based movie with sound. The movie and sound are encoded within the transport layer header.
- CA student has two web browser windows open in order to access two web sites. The transport layer ensures the correct web page is delivered to the correct browser window.
- DA corporate worker is accessing a web server located on a corporate network. The transport layer formats the screen so the web page appears properly no matter what device is being used to view the web site.
44A user opens three browsers on the same PC to access www.cisco.com to search for certification course information. The Cisco web server sends a datagram as a reply to the request from one of the web browsers. Which information is used by the TCP/IP protocol stack in the PC to identify which of the three web browsers should receive the reply?
- Athe destination IP address
- Bthe destination port number
- Cthe source IP address
- Dthe source port number
45What are two ways that TCP uses the sequence numbers in a segment? (Choose two.)
- Ato identify missing segments at the destination
- Bto reassemble the segments at the remote location
- Cto specify the order in which the segments travel from source to destination
- Dto limit the number of segments that can be sent out of an interface at one time
- Eto determine if the packet changed during transit
46Which two tasks are functions of the presentation layer? (Choose two.)
- Acompression
- Baddressing
- Cencryption
- Dsession control
- Eauthentication
47What is a key characteristic of the peer-to-peer networking model?
- Awireless networking
- Bsocial networking without the Internet
- Cnetwork printing using a print server
- Dresource sharing without a dedicated server
48A technician can ping the IP address of the web server of a remote company but cannot successfully ping the URL address of the same web server. Which software utility can the technician use to diagnose the problem?
- Atracert
- Bipconfig
- Cnetstat
- Dnslookup
49Which domain name would be an example of a top-level domain?
- Awww.cisco.com
- Bcisco.com
- C.com
- Droot.cisco.com
50A PC obtains its IP address from a DHCP server. If the PC is taken off the network for repair, what happens to the IP address configuration?
- AThe configuration is permanent and nothing changes.
- BThe address lease is automatically renewed until the PC is returned.
- CThe address is returned to the pool for reuse when the lease expires.
- DThe configuration is held by the server to be reissued when the PC is returned.
51A wireless host needs to request an IP address. What protocol would be used to process the request?
- AFTP
- BHTTP
- CDHCP
- DICMP
- ESNMP
52Which example of malicious code would be classified as a Trojan horse?
- Amalware that was written to look like a video game
- Bmalware that requires manual user intervention to spread between systems
- Cmalware that attaches itself to a legitimate program and spreads to other programs when launched
- Dmalware that can automatically spread from one system to another by exploiting a vulnerability in the target
53A company is expanding its business to other countries. All branch offices must remain connected to corporate headquarters at all times. Which network technology is required to support this requirement?
- ALAN
- BMAN
- CWAN
- DWLAN
54A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?
- ADSL
- Bdial-up
- Csatellite
- Dcell modem
- Ecable modem
55How does quality of service help a network support a wide range of applications and services?
- Aby limiting the impact of a network failure
- Bby allowing quick recovery from network failures
- Cby providing mechanisms to manage congested network traffic
- Dby providing the ability for the network to grow to accommodate new users
56After making configuration changes on a Cisco switch, a network administrator issues a copy running-config startup-config command. What is the result of issuing this command?
- AThe new configuration will be stored in flash memory.
- BThe new configuration will be loaded if the switch is restarted.
- CThe current IOS file will be replaced with the newly configured file.
- DThe configuration changes will be removed and the original configuration will be restored.
57Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator has already logged into a Telnet session on the switch, which password is needed to access privileged EXEC mode?
- Aletmein
- Bsecretin
- Clineconin
- Dlinevtyin
58What function does pressing the Tab key have when entering a command in IOS?
- AIt aborts the current command and returns to configuration mode.
- BIt exits configuration mode and returns to user EXEC mode.
- CIt moves the cursor to the beginning of the next line.
- DIt completes the remainder of a partially typed word in a command.
59What layer is responsible for routing messages through an internetwork in the TCP/IP model?
- Ainternet
- Btransport
- Cnetwork access
- Dsession
60Which statement accurately describes a TCP/IP encapsulation process when a PC is sending data to the network?
- AData is sent from the internet layer to the network access layer.
- BPackets are sent from the network access layer to the transport layer.
- CSegments are sent from the transport layer to the internet layer.
- DFrames are sent from the network access layer to the internet layer.
61What unique address is embedded in an Ethernet NIC and used for communication on an Ethernet network?
- Ahost address
- BIP address
- CMAC address
- Dnetwork address
- Ek layer
62Which procedure is used to reduce the effect of crosstalk in copper cables?
- Arequiring proper grounding connections
- Btwisting opposing circuit wire pairs together
- Cwrapping the bundle of wires with metallic shielding
- Ddesigning a cable infrastructure to avoid crosstalk interference
- Eavoiding sharp bends during installation
63During the encapsulation process, what occurs at the data link layer for a PC connected to an Ethernet network?
- AAn IP address is added.
- BThe logical address is added.
- CThe physical address is added.
- DThe process port number is added.
64What are the three primary functions provided by Layer 2 data encapsulation? (Choose three.)
- Aerror correction through a collision detection method
- Bsession control using port numbers
- Cdata link layer addressing
- Dplacement and removal of frames from the media
- Edetection of errors through CRC calculations
- Fdelimiting groups of bits into frames
- Gconversion of bits into data signals
65What are two characteristics of Ethernet MAC addresses? (Choose two.)
- AThey are globally unique.
- BThey are routable on the Internet.
- CThey are expressed as 12 hexadecimal digits.
- DMAC addresses use a flexible hierarchical structure.
- EMAC addresses must be unique for both Ethernet and serial interfaces on a device.
66If a device receives an Ethernet frame of 60 bytes, what will it do?
- Adrop the frame
- Bprocess the frame as it is
- Csend an error message to the sending device
- Dadd random data bytes to make it 64 bytes long and then forward it
67Under which two circumstances will a switch flood a frame out of every port except the port that the frame was received on? (Choose two.)
- AThe frame has the broadcast address as the destination address.
- BThe destination address is unknown to the switch.
- CThe source address in the frame header is the broadcast address.
- DThe source address in the frame is a multicast address.
- EThe destination address in the frame is a known unicast address.
68Which switching method has the lowest level of latency?
- Acut-through
- Bstore-and-forward
- Cfragment-free
- Dfast-forward
69Which two commands can be used on a Windows host to display the routing table? (Choose two.)
- Anetstat -s
- Broute print
- Cshow ip route
- Dnetstat -r
- Etracert
70Which two functions are primary functions of a router? (Choose two.)
- Apacket forwarding
- Bmicrosegmentation
- Cdomain name resolution
- Dpath selection
- Eflow control
71What is the binary representation of 0xCA?
- A10111010
- B11010101
- C11001010
- D11011010
72At a minimum, which address is required on IPv6-enabled interfaces?
- Alink-local
- Bunique local
- Csite local
- Dglobal unicast
73Which service provides dynamic global IPv6 addressing to end devices without using a server that keeps a record of available IPv6 addresses?
- Astateful DHCPv6
- BSLAAC
- Cstatic IPv6 addressing
- Dstateless DHCPv6
74What is the purpose of the command ping ::1?
- AIt tests the internal configuration of an IPv6 host.
- BIt tests the broadcast capability of all hosts on the subnet.
- CIt tests the multicast connectivity to all hosts on the subnet.
- DIt tests the reachability of the default gateway for the network.
75How many usable IP addresses are available on the 192.168.1.0/27 network?
- A256
- B254
- C62
- D30
- E16
- F32
76A network administrator wants to have the same subnet mask for three subnetworks at a small site. The site has the following networks and numbers of devices:
Subnetwork A: IP phones – 10 addresses
Subnetwork B: PCs – 8 addresses
Subnetwork C: Printers – 2 addresses
What single subnet mask would be appropriate to use for the three subnetworks?- A255.255.255.0
- B255.255.255.240
- C255.255.255.248
- D255.255.255.252
77What subnet mask is needed if an IPv4 network has 40 devices that need IP addresses and address space is not to be wasted?
- A255.255.255.0
- B255.255.255.128
- C255.255.255.192
- D255.255.255.224
- E255.255.255.240
78What are two characteristics shared by TCP and UDP? (Choose two.)
- Adefault window size
- Bconnectionless communication
- Cport numbering
- D3-way handshake
- Eability to to carry digitized voice
- Fuse of checksum
79Why are port numbers included in the TCP header of a segment?
- Ato indicate the correct router interface that should be used to forward a segment
- Bto identify which switch ports should receive or forward the segment
- Cto determine which Layer 3 protocol should be used to encapsulate the data
- Dto enable a receiving host to forward the data to the appropriate application*
- Eto allow the receiving host to assemble the packet in the proper order
80Which two protocols operate at the highest layer of the TCP/IP protocol stack? (Choose two.)
- ADNS
- BEthernet
- CIP
- DPOP
- ETCP
- FUDP
81What is one difference between the client-server and peer-to-peer network models?
- AOnly in the client-server model can file transfers occur.
- BEvery device in a peer-to-peer network can function as a client or a server.
- CA peer-to-peer network transfers data faster than a transfer using a client-server network.
- DA data transfer that uses a device serving in a client role requires that a dedicated server be present.
82Which networking model is being used when an author uploads one chapter document to a file server of a book publisher?
- Apeer-to-peer
- Bmaster-slave
- Cclient/server
- Dpoint-to-point
83What network service resolves the URL entered on a PC to the IP address of the destination server?
- ADNS
- BDHCP
- CFTP
- DSNMP
84A network engineer is analyzing reports from a recently performed network baseline. Which situation would depict a possible latency issue?
- Aa change in the bandwidth according to the show interfaces output
- Ba next-hop timeout from a traceroute
- Can increase in host-to-host ping response times
- Da change in the amount of RAM according to the show version output
85Which firewall feature is used to ensure that packets coming into a network are legitimate responses to requests initiated from internal hosts?
- Astateful packet inspection
- BURL filtering
- Capplication filtering
- Dpacket filtering
86A medium-sized business is researching available options for connecting to the Internet. The company is looking for a high speed option with dedicated, symmetric access. Which connection type should the company choose?
- ADSL
- Bdial-up
- Csatellite
- Dleased line
- Ecable modem
87What is the purpose of having a converged network?
- Ato provide high speed connectivity to all end devices
- Bto make sure that all types of data packets will be treated equally
- Cto achieve fault tolerance and high availability of data network infrastructure devices
- Dto reduce the cost of deploying and maintaining the communication infrastructure
88What characteristic of a network enables it to quickly grow to support new users and applications without impacting the performance of the service being delivered to existing users?
- Areliability
- Bscalability
- Cquality of service
- Daccessibility
89After several configuration changes are made to a router, the copy running-configuration startup-configuration command is issued. Where will the changes be stored?
- Aflash
- BROM
- CNVRAM
- DRAM
- Ethe configuration register
- Fa TFTP server
90Refer to the exhibit. From global configuration mode, an administrator is attempting to create a message-of-the-day banner by using the command banner motd V Authorized access only! Violators will be prosecuted! V When users log in using Telnet, the banner does not appear correctly. What is the problem?
- AThe banner message is too long.
- BThe delimiting character appears in the banner message.
- CThe symbol “!” signals the end of a banner message.
- DMessage-of-the-day banners will only appear when a user logs in through the console port.
91What are three characteristics of an SVI? (Choose three.)
- AIt is designed as a security protocol to protect switch ports.
- BIt is not associated with any physical interface on a switch.
- CIt is a special interface that allows connectivity by different types of media.
- DIt is required to allow connectivity by any device at any location.
- EIt provides a means to remotely manage a switch.
- FIt is associated with VLAN1 by default.
92A technician configures a switch with these commands:SwitchA(config)# interface vlan 1
SwitchA(config-if)# ip address 192.168.1.1 255.255.255.0
SwitchA(config-if)# no shutdownWhat is the technician configuring?- ATelnet access
- BSVI
- Cpassword encryption
- Dphysical switchport access
93In computer communication, what is the purpose of message encoding?
- Ato convert information to the appropriate form for transmission
- Bto interpret information
- Cto break large messages into smaller frames
- Dto negotiate correct timing for successful communication
94What is the process of dividing a data stream into smaller pieces before transmission?
- Asegmentation
- Bencapsulation
- Cencoding
- Dflow control
95When IPv4 addressing is manually configured on a web server, which property of the IPv4 configuration identifies the network and host portion for an IPv4 address?
- ADNS server address
- Bsubnet mask
- Cdefault gateway
- DDHCP server address
96A network engineer is measuring the transfer of bits across the company backbone for a mission critical database application. The engineer notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)
- Athe amount of traffic that is currently crossing the network
- Bthe sophistication of the encapsulation method applied to the data
- Cthe type of traffic that is crossing the network
- Dthe latency that is created by the number of network devices that the data is crossing
- Ethe bandwidth of the WAN connection to the Internet
- Fthe reliability of the gigabit Ethernet infrastructure of the backbone
97Which type of UTP cable is used to connect a PC to a switch port?
- Aconsole
- Brollover
- Ccrossover
- Dstraight-through
98What are two actions performed by a Cisco switch? (Choose two.)
- Abuilding a routing table that is based on the first IP address in the frame header
- Busing the source MAC addresses of frames to build and maintain a MAC address table
- Cforwarding frames with unknown destination IP addresses to the default gateway
- Dutilizing the MAC address table to forward frames via the destination MAC address
- Eexamining the destination MAC address to add new entries to the MAC address table
99What are two examples of the cut-through switching method? (Choose two.)
- Astore-and-forward switching
- Bfast-forward switching
- CCRC switching
- Dfragment-free switching
- EQOS switching
100What information is added during encapsulation at OSI Layer 3?
- Asource and destination MAC
- Bsource and destination application protocol
- Csource and destination port number
- Dsource and destination IP address
101Refer to the exhibit. The network administrator for a small advertising company has chosen to use the 192.168.5.96/27 network for internal LAN addressing. As shown in the exhibit, a static IP address is assigned to the company web server. However, the web server cannot access the Internet. The administrator verifies that local workstations with IP addresses that are assigned by a DHCP server can access the Internet, and the web server is able to ping local workstations. Which component is incorrectly configured?
- Asubnet mask
- BDNS address
- Chost IP address
- Ddefault gateway address
102Why does a Layer 3 device perform the ANDing process on a destination IP address and subnet mask?
- Ato identify the broadcast address of the destination network
- Bto identify the host address of the destination host
- Cto identify faulty frames
- Dto identify the network address of the destination network
103Which three addresses are valid public addresses? (Choose three.)
- A198.133.219.17
- B192.168.1.245
- C10.15.250.5
- D128.107.12.117
- E192.15.301.240
- F64.104.78.227
104What type of IPv6 address is FE80::1?
- Aloopback
- Blink-local
- Cmulticast
- Dglobal unicast
105Refer to the exhibit. On the basis of the output, which two statements about network connectivity are correct? (Choose two.)
- AThere is connectivity between this device and the device at 192.168.100.1.
- BThe connectivity between these two hosts allows for videoconferencing calls.
- CThere are 4 hops between this device and the device at 192.168.100.1.
- DThe average transmission time between the two hosts is 2 milliseconds.
- EThis host does not have a default gateway configured.
106How many hosts are addressable on a network that has a mask of 255.255.255.248?
- A2
- B6
- C8
- D14
- E16
- F254
107Refer to the exhibit. Consider the IP address of 192.168.10.0/24 that has been assigned to a high school building. The largest network in this building has 100 devices. If 192.168.10.0 is the network number for the largest network, what would be the network number for the next largest network, which has 40 devices?
- A192.168.10.0
- B192.168.10.128
- C192.168.10.192
- D192.168.10.224
- E192.168.10.240
108In what two situations would UDP be the preferred transport protocol over TCP? (Choose two.)
- Awhen applications need to guarantee that a packet arrives intact, in sequence, and unduplicated
- Bwhen a faster delivery mechanism is needed
- Cwhen delivery overhead is not an issue
- Dwhen applications do not need to guarantee delivery of the data
- Ewhen destination port numbers are dynamic
109What important information is added to the TCP/IP transport layer header to ensure communication and connectivity with a remote network device?
- Atiming and synchronization
- Bdestination and source port numbers
- Cdestination and source physical addresses
- Ddestination and source logical network addresses
110What is the TCP mechanism used in congestion avoidance?
- Athree-way handshake
- Bsocket pair
- Ctwo-way handshake
- Dsliding window
111Which three statements characterize UDP? (Choose three.)
- AUDP provides basic connectionless transport layer functions.
- BUDP provides connection-oriented, fast transport of data at Layer 3.
- CUDP relies on application layer protocols for error detection.
- DUDP is a low overhead protocol that does not provide sequencing or flow control mechanisms.
- EUDP relies on IP for error detection and recovery.
- FUDP provides sophisticated flow control mechanisms.
112Which two roles can a computer assume in a peer-to-peer network where a file is being shared between two computers? (Choose two.)
- Aclient
- Bmaster
- Cserver
- Dslave
- Etransient
113What is the function of the HTTP GET message?
- Ato request an HTML page from a web server
- Bto send error information from a web server to a web client
- Cto upload content to a web server from a web client
- Dto retrieve client email from an email server using TCP port 110
114When planning for network growth, where in the network should packet captures take place to assess network traffic?
- Aon as many different network segments as possible
- Bonly at the edge of the network
- Cbetween hosts and the default gateway
- Donly on the busiest network segment
115When applied to a router, which command would help mitigate brute-force password attacks against the router?
- Aexec-timeout 30
- Bservice password-encryption
- Cbanner motd $Max failed logins = 5$
- Dlogin block-for 60 attempts 5 within 60
116Refer to the exhibit. An administrator is testing connectivity to a remote device with the IP address 10.1.1.1. What does the output of this command indicate?
- AConnectivity to the remote device was successful.
- BA router along the path did not have a route to the destination.
- CA ping packet is being blocked by a security device along the path.
- DThe connection timed out while waiting for a reply from the remote device.
117A network administrator is upgrading a small business network to give high priority to real-time applications traffic. What two types of network services is the network administrator trying to accommodate? (Choose two.)
- ASNMP
- Binstant messaging
- Cvoice
- DFTP
- Evideo
118Which IPv4 address can be pinged to test the internal TCP/IP operation of a host?
- A0.0.0.0
- B0.0.0.1
- C127.0.0.1
- D192.168.1.1
- E255.255.255.255
119What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.)
- AARP
- BDHCP
- CDNS
- DFTP
- ENAP
- FPPP
120Which two protocols function at the internet layer? (Choose two)
- AARP
- BBOOTP
- CICMP
- DIP
- EPPP
121Which publicly available resources describe protocols, processes, and technologies for the Internet but do not give implementation details?
- ARequest for Comments
- BIRTF research papers
- Cprotocol models
- DIEEE standards
122Which address on a PC does not change, even if the PC is moved to a different network?
- AIP address
- Bdefault gateway address
- CMAC address
- Dlogical address
123What is the protocol that is used to discover a physical address from a known logical address and what message type does it use?
- AARP, multicast
- BDNS, unicast
- CDNS, broadcast
- DARP, broadcast
- EPING, multicast
- FPING, broadcast
124What will happen if the default gateway address is incorrectly configured on a host?
- AThe host cannot communicate with other hosts in the local network.
- BThe switch will not forward packets initiated by the host.
- CThe host will have to use ARP to determine the correct address of the default gateway.
- DThe host cannot communicate with hosts in other networks.
- EA ping from the host to 127.0.0.1 would not be successful.
125What is an important function of the physical layer of the OSI model?
- AIt accepts frames from the physical media.
- BIt encapsulates upper layer data into frames.
- CIt defines the media access method performed by the hardware interface.
- DIt encodes frames into electrical, optical, or radio wave signals.
126Which two statements describe the characteristics of fiber-optic cabling? (Choose two.)
- AFiber-optic cabling does not conduct electricity.
- BFiber-optic cabling has high signal loss.
- CFiber-optic cabling is primarily used as backbone cabling.
- DMultimode fiber-optic cabling carries signals from multiple sending devices.
- EFiber-optic cabling uses LEDs for single-mode cables and laser technology for multimode cables.
127What is contained in the trailer of a data-link frame?
- Alogical address
- Bphysical address
- Cdata
- Derror detection
128Refer to the exhibit. A ping to PC3 is issued from PC0, PC1, and PC2 in this exact order. Which MAC addresses will be contained in the S1 MAC address table that is associated with the Fa0/1 port?
- Ajust PC0 and PC1 MAC addresses
- Bjust the PC0 MAC address
- CPC0, PC1, and PC2 MAC addresses
- Djust the PC1 MAC address
- Ejust the PC2 MAC address
129How does a Layer 3 switch differ from a Layer 2 switch?
- AA Layer 3 switch supports VLANs, but a Layer 2 switch does not.
- BAn IP address can be assigned to a physical port of a Layer 3 switch. However, this is not supported in Layer 2 switches.
- CA Layer 3 switch maintains an IP address table instead of a MAC address table.
- DA Layer 3 switch learns the MAC addresses that are associated with each of its ports. However, a Layer 2 switch does not.
130What is the purpose of the routing process?
- Ato encapsulate data that is used to communicate across a network
- Bto select the paths that are used to direct traffic to destination networks
- Cto convert a URL name into an IP address
- Dto provide secure Internet file transfer
- Eto forward traffic on the basis of MAC addresses
131Which technology provides a solution to IPv4 address depletion by allowing multiple devices to share one public IP address?
- AARP
- BDNS
- CNAT
- DSMB
- EDHCP
- FHTTP
132Refer to the exhibit. Consider the IP address configuration shown from PC1. What is a description of the default gateway address?
- AIt is the IP address of the Router1 interface that connects the company to the Internet.
- BIt is the IP address of the Router1 interface that connects the PC1 LAN to Router1.
- CIt is the IP address of Switch1 that connects PC1 to other devices on the same LAN.
- DIt is the IP address of the ISP network device located in the cloud.
133Which of the following are primary functions of a router? (Choose two.)
- Apacket switching
- Bmicrosegmentation
- Cdomain name resolution
- Dpath selection
- Eflow control
134Which two statements correctly describe a router memory type and its contents? (Choose two.)
- AROM is nonvolatile and stores the running IOS.
- BFLASH is nonvolatile and contains a limited portion of the IOS?.
- CRAM is volatile and stores the running configuration.
- DNVRAM is nonvolatile and stores a full version of the IOS.
- EROM is nonvolatile and stores bootup information.
135In which default order will a router search for startup configuration information?
- ANVRAM, RAM, TFTP
- BNVRAM, TFTP, setup mode
- Csetup mode, NVRAM, TFTP
- DTFTP, ROM, NVRAM
- Eflash, ROM, setup mode
136What happens when part of an Internet VoIP transmission is not delivered to the destination?
- AA delivery failure message is sent to the source host.
- BThe part of the VoIP transmission that was lost is re-sent.
- CThe entire transmission is re-sent.
- DThe transmission continues without the missing portion.
137Which three IP addresses are private ? (Choose three.)
- A10.172.168.1
- B172.32.5.2
- C192.167.10.10
- D172.20.4.4
- E192.168.5.254
- F224.6.6.6
138How many bits make up the single IPv6 hextet :10CD:?
- A4
- B8
- C16
- D32
139What is the effect of configuring the ipv6 unicast-routing command on a router?
- Ato assign the router to the all-nodes multicast group
- Bto enable the router as an IPv6 router
- Cto permit only unicast packets on the router
- Dto prevent the router from joining the all-routers multicast group
140Which group of IPv6 addresses cannot be allocated as a host source address?
- AFEC0::/10
- BFDFF::/7
- CFEBF::/10
- DFF00::/8
141What is the purpose of ICMP messages?
- Ato inform routers about network topology changes
- Bto ensure the delivery of an IP packet
- Cto provide feedback of IP packet transmissions
- Dto monitor the process of a domain name to IP address resolution
142Refer to the exhibit. A technician has configured a user workstation with the IP address and default subnet masks that are shown. Although the user can access all local LAN resources, the user cannot access any Internet sites by using either FQDN or IP addresses. Based upon the exhibit, what could account for this failure?
- AThe DNS server addresses are incorrect.
- BThe default gateway address in incorrect.
- CThe wrong subnet mask was assigned to the workstation.
- DThe workstation is not in the same network as the DNS servers.
143A network administrator needs to monitor network traffic to and from servers in a data center. Which features of an IP addressing scheme should be applied to these devices?
- Arandom static addresses to improve security
- Baddresses from different subnets for redundancy
- Cpredictable static IP addresses for easier identification
- Ddynamic addresses to reduce the probability of duplicate addresses
144Refer to the exhibit. Which IP addressing scheme should be changed?
- ASite 1
- BSite 2
- CSite 3
- DSite 4
145Which two notations are useable nibble boundaries when subnetting in IPv6? (Choose two.)
- A/62
- B/64
- C/66
- D/68
- E/70
146A host PC has just booted and is attempting to lease an address through DHCP. Which two messages will the client typically broadcast on the network? (Choose two.)
- ADHCPDISCOVER
- BDHCPOFFER
- CDHCPREQUEST
- DDHCPACK
- EDHCPNACK
147What is the purpose of the network security accounting function?
- Ato require users to prove who they are
- Bto determine which resources a user can access
- Cto keep track of the actions of a user
- Dto provide challenge and response questions
148Refer to the exhibit. The network administrator enters these commands into the R1 router:
R1# copy running-config tftp
Address or name of remote host [ ]?
When the router prompts for an address or remote host name, what IP address should the administrator enter at the prompt?
- A192.168.9.254
- B192.168.10.1
- C192.168.10.2
- D192.168.11.252
- E192.168.11.254
149What two preconfigured settings that affect security are found on most new wireless routers? (Choose two.)
- Abroadcast SSID
- BMAC filtering enabled
- CWEP encryption enabled
- DPSK authentication required
- Edefault administrator password
150Which type of wireless security generates dynamic encryption keys each time a client associates with an AP?
- AEAP
- BPSK
- CWEP
- DWPA
151Which two components are necessary for a wireless client to be installed on a WLAN? (Choose two.)
- Amedia
- Bwireless NIC
- Ccustom adapter
- Dcrossover cable
- Ewireless bridge
- Fwireless client software
152A host is accessing an FTP server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.)
- Aregenerating data signals
- Bacting as a client or a server
- Cproviding a channel over which messages travel
- Dapplying security settings to control the flow of data
- Enotifying other devices when errors occur
- Fserving as the source or destination of the messages
153When is a dial-up connection used to connect to an ISP?
- Awhen a cellular telephone provides the service
- Bwhen a high-speed connection is provided over a cable TV network
- Cwhen a satellite dish is used
- Dwhen a regular telephone line is used
154On a school network, students are surfing the web, searching the library database, and attending an audio conference with their sister school in Japan. If network traffic is prioritized with QoS, how will the traffic be classified from highest priority to lowest priority?
- Aaudio conference, database, HTTP
- Bdatabase, HTTP, audio conference
- Caudio conference, HTTP, database
- Ddatabase, audio conference, HTTP
155 During normal operation, from which location do most Cisco routers run the IOS?
- ARAM
- Bflash
- CNVRAM
- Ddisk drive
156Which keys act as a hot key combination that is used to interrupt an IOS process?
- ACtrl-Shift-X
- BCtrl-Shift-6
- CCtrl-Z
- DCtrl-C
157 Refer to the exhibit. An administrator wants to change the name of a brand new switch, using the hostname command as shown. What prompt will display after the command is issued??
- AHR Switch(config)#
- BSwitch(config)#?
- CHRSwitch(config)#
- DHR(config)#?
- ESwitch#
158 Which device should be used for enabling a host to communicate with another host on a different network?
- Aswitch
- Bhub
- Crouter
- Dhost
159A network technician is measuring the transfer of bits across the company backbone for a mission critical application. The technician notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)
- Athe amount of traffic that is currently crossing the network
- Bthe sophistication of the encapsulation method applied to the data
- Cthe type of traffic that is crossing the network
- Dthe latency that is created by the number of network devices that the data is crossing
- Ethe bandwidth of the WAN connection to the Internet
- Fthe reliability of the gigabit Ethernet infrastructure of the backbone
160Which characteristics describe fiber optic cable? (Choose two.)
- AIt is not affected by EMI or RFI.
- BEach pair of cables is wrapped in metallic foil.
- CIt combines the technique of cancellation, shielding and twisting to protect data.
- DIt has a maximum speed of 100 Mbps.
- EIt is the most expensive type of LAN cabling
161What are two features of a physical, star network topology? (Choose two.)
- AIt is straightforward to troubleshoot.
- BEnd devices are connected together by a bus.
- CIt is easy to add and remove end devices.
- DAll end devices are connected in a chain to each other.
- EEach end system is connected to its respective neighbor.
162A frame is transmitted from one networking device to another. Why does the receiving device check the FCS field in the frame?
- Ato determine the physical address of the sending device
- Bto verify the network layer protocol information
- Cto compare the interface media type between the sending and receiving ends
- Dto check the frame for possible transmission errors
- Eto verify that the frame destination matches the MAC address of the receiving device
163What will a Layer 2 switch do when the destination MAC address of a received frame is not in the MAC table?
- AIt initiates an ARP request.
- BIt broadcasts the frame out of all ports on the switch.
- CIt notifies the sending host that the frame cannot be delivered.
- DIt forwards the frame out of all ports except for the port at which the frame was received.
164Which parameter does the router use to choose the path to the destination when there are multiple routes available?
- Athe lower metric value that is associated with the destination network
- Bthe lower gateway IP address to get to the destination network
- Cthe higher metric value that is associated with the destination network
- Dthe higher gateway IP address to get to the destination network
165 Which two statements describe the functions or characteristics of ROM in a router? (Choose two.)
- Astores routing tables
- Ballows software to be updated without replacing pluggable chips on the motherboard
- Cmaintains instructions for POST diagnostics
- Dholds ARP cache
- Estores bootstrap program
166Which statement describes a characteristic of the Cisco router management ports?
- AA console port is used for remote management of the router.
- BA console port is not used for packet forwarding.
- CSerial and DSL interfaces are types of management ports.
- DEach Cisco router has a LED indicator to provide information about the status of the management ports.
167What happens when part of an Internet radio transmission is not delivered to the destination?
- AA delivery failure message is sent to the source host.
- BThe part of the radio transmission that was lost is re-sent.
- CThe entire transmission is re-sent.
- DThe transmission continues without the missing portion.
168What types of addresses make up the majority of addresses within the /8 block IPv4 bit space?
- Aprivate addresses
- Bpublic addresses
- Cmulticast addresses
- Dexperimental addresses
169Refer to the exhibit. What is the maximum TTL value that is used to reach the destination www.cisco.com??
- A11
- B12
- C13
- D14
170A company has a network address of 192.168.1.64 with a subnet mask of 255.255.255.192. The company wants to create two subnetworks that would contain 10 hosts and 18 hosts respectively. Which two networks would achieve that? (Choose two.)
- A192.168.1.16/28
- B192.168.1.64/27
- C192.168.1.128/27
- D192.168.1.96/28
- E192.168.1.192/28
171In a network that uses IPv4, what prefix would best fit a subnet containing 100 hosts?
- A/23
- B/24
- C/25
- D/26
172Which protocol supports rapid delivery of streaming media?
- ATransmission Control Protocol
- BReal-Time Transport Protocol
- CSecure File Transfer Protocol
- DVideo over Internet Protocol
173Why would a network administrator use the tracert utility?
- Ato determine the active TCP connections on a PC
- Bto check information about a DNS name in the DNS server
- Cto identify where a packet was lost or delayed on a network
- Dto display the IP address, default gateway, and DNS server address for a PC
174Refer to the exhibit. What is the significance of the asterisk (*) in the exhibited output?
- AThe asterisk shows which file system was used to boot the system.
- BThe asterisk designates which file system is the default file system.
- CAn asterisk indicates that the file system is bootable.
- DAn asterisk designates that the file system has at least one file that uses that file system.
175Which WLAN security protocol generates a new dynamic key each time a client establishes a connection with the AP?
- AEAP
- BPSK
- CWEP
- DWPA
176A host is accessing a Telnet server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.)
- Aregenerating data signals
- Bacting as a client or a server
- Cproviding a channel over which messages travel
- Dapplying security settings to control the flow of data
- Enotifying other devices when errors occur
- Fserving as the source or destination of the messages
177Refer to the exhibit. Which area would most likely be an extranet for the company network that is shown?
- Aarea A
- Barea B
- Carea C
- Darea D
178Three office workers are using the corporate network. The first employee uses a web browser to view a company web page in order to read some announcements. The second employee accesses the corporate database to perform some financial transactions. The third employee participates in an important live audio conference with other office workers in branch offices. If QoS is implemented on this network, what will be the priorities from highest to lowest of the different data types?
- Aaudio conference, financial transactions, web page
- Bfinancial transactions, web page, audio conference
- Caudio conference, web page, financial transactions
- Dfinancial transactions, audio conference, web page
179During normal operation, from which location do most Cisco switches and routers run the IOS?
- ARAM
- Bflash
- CNVRAM
- Ddisk drive
180A network administrator is making changes to the configuration of a router. After making the changes and verifying the results, the administrator issues the copy running-config startup-config command. What will happen after this command executes?
- AThe configuration will be copied to flash.
- BThe configuration will load when the router is restarted.
- CThe new configuration file will replace the IOS file.
- DThe changes will be lost when the router restarts.
181What information does the loopback test provide?
- AThe TCP/IP stack on the device is working correctly
- BThe device has end-to-end connectivity.
- CDHCP is working correctly.
- DThe Ethernet cable is working correctly.
- EThe device has the correct IP address on the network.
182What happens when a switch receives a frame and the calculated CRC value is different than the value that is in the FCS field?
- AThe switch places the new CRC value in the FCS field and forwards the frame.
- BThe switch notifies the source of the bad frame.
- CThe switch drops the frame
- DThe switch floods the frame to all ports except the port through which the frame arrived to notify the hosts of the error.
183Which destination address is used in an ARP request frame?
- A0.0.0.0
- B255.255.255.255
- CFFFF.FFFF.FFFF
- D127.0.0.1
- E01-00-5E-00-AA-23
184What is the auto-MDIX feature on a switch?
- Athe automatic configuration of an interface for 10/100/1000 Mb/s operation
- Bthe automatic configuration of an interface for a straight-through or a crossover Ethernet cable connection
- Cthe automatic configuration of full-duplex operation over a single Ethernet copper or optical cable
- Dthe ability to turn a switch interface on or off accordingly if an active connection is detected
185What are the two main components of Cisco Express Forwarding (CEF)? (Choose two.)
- Aadjacency tables
- BMAC-address tables
- Crouting tables
- DARP tables
- Eforwarding information base (FIB)
186 Which statement describes the sequence of processes executed by a router when it receives a packet from a host to be delivered to a host on another network?
- AIt receives the packet and forwards it directly to the destination host.
- BIt de-encapsulates the packet, selects the appropriate path, and encapsulates the packet to forward it toward the destination host.
- CIt de-encapsulates the packet and forwards it toward the destination host.
- DIt selects the path and forwards it toward the destination host.
187Refer to the exhibit. Router R1 has two interfaces that were configured with correct IP addresses and subnet masks. Why does the show ip route command output not display any information about the directly connected networks??
- AThe directly connected networks have to be created manually to be displayed in the routing table.
- BThe routing table will only display information about these networks when the router receives a packet.
- CThe no shutdown command was not issued on these interfaces.
- DThe gateway of last resort was not configured.
188What happens when part of an Internet television transmission is not delivered to the destination?
- AA delivery failure message is sent to the source host.
- BThe part of the television transmission that was lost is re-sent.
- CThe entire transmission is re-sent.
- DThe transmission continues without the missing portion.
189 Which three statements characterize the transport layer protocols? (Choose three.)
- ATCP and UDP port numbers are used by application layer protocols.
- BTCP uses port numbers to provide reliable transportation of IP packets.
- CUDP uses windowing and acknowledgments for reliable transfer of data.
- DTCP uses windowing and sequencing to provide reliable transfer of data.
- ETCP is a connection-oriented protocol. UDP is a connectionless protocol.
190Which statement is true regarding the UDP client process during a session with a server?
- ADatagrams that arrive in a different order than that in which they were sent are not placed in order
- BA session must be established before datagrams can be exchanged.
- CA three-way handshake takes place before the transmission of data begins.
- DApplication servers have to use port numbers above 1024 in order to be UDP capable.
191Which two components are configured via software in order for a PC to participate in a network environment? (Choose two.)
- AMAC address
- BIP address
- Ckernel
- Dshell
- Esubnet mask
192Which two reasons generally make DHCP the preferred method of assigning IP addresses to hosts on large networks? (Choose two.)
- AIt eliminates most address configuration errors.
- BIt ensures that addresses are only applied to devices that require a permanent address.
- CIt guarantees that every device that needs an address will get one.
- DIt provides an address only to devices that are authorized to be connected to the network.
- EIt reduces the burden on network support staff.
193What is the subnet address for the address 2001:DB8:BC15:A:12AB::1/64?
- A2001:DB8:BC15::0
- B2001:DB8:BC15:A::0
- C2001:DB8:BC15:A:1::1
- D2001:DB8:BC15:A:12::0
194 What is the purpose of the network security authentication function?
- Ato require users to prove who they are
- Bto determine which resources a user can access
- Cto keep track of the actions of a user
- Dto provide challenge and response questions
195 Which type of wireless security makes use of dynamic encryption keys each time a client associates with an AP?
- AEAP
- BPSK
- CWEP
- DWPA
196 Which field in an IPv4 packet header will typically stay the same during its transmission?
- APacket Length
- BDestination Address
- CFlag
- DTime-to-live
197What must be configured to enable Cisco Express Forwarding (CEF) on most Cisco devices that perform Layer 3 switching?
- AManually configure next-hop Layer 2 addresses.
- BIssue the no shutdown command on routed ports.
- CCEF is enabled by default, so no configuration is necessary.
- DManually map Layer 2 addresses to Layer 3 addresses to populate the forwarding information base (FIB).
198What is the purpose of adjacency tables as used in Cisco Express Forwarding (CEF)?
- Ato populate the forwarding information base (FIB)
- Bto maintain Layer 2 next-hop addresses
- Cto allow the separation of Layer 2 and Layer 3 decision making
- Dto update the forwarding information base (FIB)
199Which statement describes a characteristic of the network layer in the OSI model?
- AIt manages the data transport between the processes running on each host.
- BIn the encapsulation process, it adds source and destination port numbers to the IP header.
- CWhen a packet arrives at the destination host, its IP header is checked by the network layer to determine where the packet has to be routed.
- DIts protocols specify the packet structure and processing used to carry the data from one host to another.
200A user gets an IP address of 192.168.0.1 from the company network administrator. A friend of the user at a different company gets the same IP address on another PC. How can two PCs use the same IP address and still reach the Internet, send and receive email, and search the web?
- ABoth users must be using the same Internet Service Provider
- BISPs use Network Address Translation to change a user IP address into an address that can be used on the Internet.
- CISPs use Domain Name Service to change a user IP address into a public IP address that can be used on the Internet.
- DBoth users must be on the same network.
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- Information Technology Quiz on Cisco part 1, created by Madina Umirbekova on 25/05/2017.
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