Quiz
CCNA 5.1
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Perguntas do quiz (139)
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
2Three bank employees 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 corporate managers 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
3What 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.
4What 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.
5Which connection provides a secure CLI session with encryption to a Cisco switch?
- Aa console connection
- Ban AUX connection
- Ca Telnet connection
- Dan SSH connection
6A 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.
7An 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
8Refer 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
- Clineconin
- Dlinevtyin
9On 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
10What 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
11What 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.
12What 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.
13Which two OSI model layers have the same functionality as two layers of the TCP/IP model? (Choose two.)
- Adata link
- Bnetwork
- Cphysical
- Dsession
- Etransport
14Which name is assigned to the transport layer PDU?
- Abits
- Bdata
- Cframe
- Dpacket
- Esegment
15A 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
16A 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
17What is a characteristic of UTP cabling?
- Acancellation
- Bcladding
- Cimmunity to electrical hazards
- Dwoven copper braid or metallic foil
18What 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.
19What 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.
20A 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
21What method is used to manage contention-based access on a wireless network?
- ACSMA/CD
- Bpriority ordering
- CCSMA/CA
- Dtoken passing
22What 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
23What 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.
24Which 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
25Refer 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
26What 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
27What 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
28What 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
29Refer 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.
30What 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
31What 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.
32What 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
33What 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.
34What 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
35Which range of link-local addresses can be assigned to an IPv6-enabled interface?
- AFEC0::/10
- BFDEE::/7
- CFE80::/10
- DFF00::/8
36How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?
- A254
- B190
- C192
- D62
- E64
37A 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
38Which 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
39Which 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.
40Which 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.
41A 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
42What 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
43Which two tasks are functions of the presentation layer? (Choose two.)
- Acompression
- Baddressing
- Cencryption
- Dsession control
- Eauthentication
44What 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
45A 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
46Which domain name would be an example of a top-level domain?
- Awww.cisco.com
- Bcisco.com
- C.com
- Droot.cisco.com
47A 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.
48A wireless host needs to request an IP address. What protocol would be used to process the request?
- AFTP
- BHTTP
- CDHCP
- DICMP
- ESNMP
49Which 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
50When 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
51A 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
52A 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
53How 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
54On 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
55After 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.
56Refer 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
57Which connection provides a secure CLI session with encryption to a Cisco switch?
- Aa console connection
- Ban AUX connection
- Ca Telnet connection
- Dan SSH connection
58A 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?
- Aa console connection
- Ban AUX connection
- Ca Telnet connection
- Dan SSH connection
59A 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.
60What 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.
61What 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
62What layer is responsible for routing messages through an internetwork in the TCP/IP model?
- Ainternet
- Btransport
- Cnetwork access
- Dsession
63Which 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.
64What unique address is embedded in an Ethernet NIC and used for communication on an Ethernet network?
- Ahost address
- BIP address
- CMAC address
- Dnetwork address
65A 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
66A 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
67Which 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
68What 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.
69What method is used to manage contention-based access on a wireless network?
- ACSMA/CD
- Bpriority ordering
- CCSMA/CA
- Dtoken passing
70During 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.
71What 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
72What 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.
73If 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
74What 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.
75Under 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 destination address in the frame is a known unicast address.
- EThe source address in the frame is a multicast address.
76Which switching method has the lowest level of latency?
- Acut-through
- Bstore-and-forward
- Cfragment-free
- Dfast-forward
77Which 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
78Which two functions are primary functions of a router? (Choose two.)
- Apacket forwarding
- Bmicrosegmentation
- Cdomain name resolution
- Dpath selection
- Eflow control
79What 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
80What 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.
81What is the binary representation of 0xCA?
- A10111010
- B11010101
- C11001010
- D11011010
82At a minimum, which address is required on IPv6-enabled interfaces?
- Alink-local
- Bunique local
- Csite local
- Dglobal unicast
83Which 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
84What 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.
85What 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.
86Which 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
87A 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
88Which 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.
89What 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
90What 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
91Why 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
92Which two protocols operate at the highest layer of the TCP/IP protocol stack? (Choose two.)
- ADNS
- BEthernet
- CIP
- DPOP
- EUDP
- FTCP
93What 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.
94Which 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
95What network service resolves the URL entered on a PC to the IP address of the destination server?
- ADNS
- BDHCP
- CFTP
- DSNMP
96A 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
97Which 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
98Fill in the blank.
During data communications, a host may need to send a single message to a specific group of destination hosts simultaneously. This message is in the form of a [blank_start]Multicast[blank_end] message.- AMulticast
99A 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
- Bdialup
- Csatellite
- Dleased line
- Ecable modem
100What 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
101What 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
102Which connection provides a secure CLI session with encryption to a Cisco switch?
- Aa console connection
- Ban AUX connection
- Ca Telnet connection
- Dan SSH connection
103A 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.
104After 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
105Refer 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.
106What 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.
107A 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
108In 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
109What 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
110What is the process of dividing a data stream into smaller pieces before transmission?
- Asegmentation
- Bencapsulation
- Cencoding
- Dflow control
111When 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
112A 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
113A 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
114Which type of UTP cable is used to connect a PC to a switch port?
- Aconsole
- Brollover
- Ccrossover
- Dstraight-through
115What 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.
116What 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
117What 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.
118What 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
119What 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
120What 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
121Refer 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
122Why 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
123What 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
124Which 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
125What type of IPv6 address is FE80::1?
- Aloopback
- Blink-local
- Cmulticast
- Dglobal unicast
126Refer 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.
127Which subnet would include the address 192.168.1.96 as a usable host address?
- A92.168.1.64/26
- B192.168.1.32/27
- C192.168.1.32/28
- D192.168.1.64/29
128How many hosts are addressable on a network that has a mask of 255.255.255.248?
- A2
- B6
- C8
- D14
- E16
- F254
129Which 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.
130Refer 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
131In 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
132What 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
133What is the TCP mechanism used in congestion avoidance?
- Athree-way handshake
- Bsocket pair
- Ctwo-way handshake
- Dsliding window
134Which 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.
135Which two protocols operate at the highest layer of the TCP/IP protocol stack? (Choose two.)
- ADNS
- BEthernet
- CIP
- DPOP
- ETCP
- FUDP
136Which 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
137What 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
138When 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
139Refer 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.
Informações
- Descrição
- Quiz sobre CCNA 5.1, criado por Rene Pfister em 01-07-2017.
- Autor
- Rene Pfister
- Idioma
- Deutsch
- Visualizações
- 63
- Etiquetas
- Avaliação
- Ainda sem avaliações Avalie este quiz