Quiz
Exam Final CCNA (Option B)
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Perguntas do quiz (54)
11 A 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
22 A 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
33 How 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
44 On 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
55 After 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.
66 Refer 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
77 Which connection provides a secure CLI session with encryption to a Cisco switch?
- Aa console connection
- Ban AUX connection
- Ca Telnet connection
- Dan SSH connection
88 A 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.
99 What 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.
1010 What 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
1111 What layer is responsible for routing messages through an internetwork in the TCP/IP model?
- Ainternet
- Btransport
- Cnetwork access
- Dsession
1212 Which 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.
1313 What unique address is embedded in an Ethernet NIC and used for communication on an Ethernet network?
- Ahost address
- BIP address
- CMAC address
- Dnetwork address
1414 A 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
1515 A 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
1616 Which 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
1717 What 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.
1818 What method is used to manage contention-based access on a wireless network?
- ACSMA/CD
- Bpriority ordering
- CCSMA/CA
- Dtoken passing
1919 During 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.
2020 What 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
2121 What 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.
2222 If 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
2323 What 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.
2424 Under 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.
2525 Which switching method has the lowest level of latency?
- Acut-through
- Bstore-and-forward
- Cfragment-free
- Dfast-forward
2626 Which 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
2727 Which two functions are primary functions of a router? (Choose two.)
- Apacket forwarding
- Bmicrosegmentation
- Cdomain name resolution
- Dpath selection
- Eflow control
2828 What 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
2929 What 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.
3030 What is the binary representation of 0xCA?
- A10111010
- B11010101
- C11001010
- D11011010
3131 At a minimum, which address is required on IPv6-enabled interfaces?
- Alink-local
- Bunique local
- Csite local
- Dglobal unicast
3232 Which 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
3333 What 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.
3434 How many usable IP addresses are available on the 192.168.1.0/27 network?
- A256
- B254
- C62
- D30
- E16
- F32
3535 Which 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
3636 A 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
3737 Which 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.
3838 What 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
3939 What 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
4040 Why 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
4141 What 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
4242 Which two protocols operate at the highest layer of the TCP/IP protocol stack? (Choose two.)
- ADNS
- BEthernet
- CIP
- DPOP
- ETCP
- FUDP
4343 Which domain name would be an example of a top-level domain?
- Awww.cisco.com
- Bcisco.com
- C.com
- Droot.cisco.com
4444 What 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.
4545 Which 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
4646 A wireless host needs to request an IP address. What protocol would be used to process the request?
- AFTP
- BHTTP
- CDHCP
- DICMP
- ESNMP
4747 What network service resolves the URL entered on a PC to the IP address of the destination server?
- ADNS
- BDHCP
- CFTP
- DSNMP
4848 A 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
4949 Which 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
5050 What is one indication that a Windows computer did not receive an IPv4 address from a DHCP server?
- AThe computer cannot ping 127.0.0.1.
- BWindows displays a DHCP timeout message.
- CThe computer receives an IP address that starts with 169.254.
- DThe computer cannot ping other devices on the same network with IP addresses in the 169.254.0.0/16 range.
5151 Which command can an administrator issue on a Cisco router to send debug messages to the vty lines?
- Aterminal monitor
- Blogging console
- Clogging buffered
- Dlogging synchronous
5252 Fill 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]———-[blank_end] message.- Amulticast
5353 Match the description with the associated IOS mode. (Not all options are used.)
- A
- Bseguir
- A
5454 Refer to the exhibit. Match the packets with their destination IP address to the exiting interfaces on the router. (Not all options are used.)
- A
- Bserguir
- A
Informações
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- O usuário eliminou as informações de disciplina Quiz sobre Exam Final CCNA (Option B), criado por Usuário eliminado em 28-01-2018.
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