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Exan Final CCNA (Option A)

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11 What is a characteristic of a fault tolerant network?
1. Aa network that protects confidential information from unauthorized access
2. Ba network that can expand quickly to support new users and applications without impacting the performance of the service delivered to existing users
3. Ca network that supports a mechanism for managing congestion and ensuring reliable delivery of content to all users
4. Da network that recovers quickly when a failure occurs and depends on redundancy to limit the impact of a failure
22 Three 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?
1. Aaudio conference, financial transactions, web page
2. Bfinancial transactions, web page, audio conference
3. Caudio conference, web page, financial transactions
4. Dfinancial transactions, audio conference, web page
33 What is a benefit of using cloud computing in networking?
1. AEnd users have the freedom to use personal tools to access information and communicate across a business network.
2. BNetwork capabilities are extended without requiring investment in new infrastructure, personnel, or software.
3. CTechnology is integrated into every-day appliances allowing them to interconnect with other devices, making them more ‘smart’ or automated.
4. 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.
44 What is the function of the shell in an OS?
1. AIt interacts with the device hardware.
2. BIt interfaces between the users and the kernel.
3. CIt provides dedicated firewall services.
4. DIt provides the intrusion protection services for the device.
55 Which connection provides a secure CLI session with encryption to a Cisco switch?
1. Aa console connection
2. Ban AUX connection
3. Ca Telnet connection
4. Dan SSH connection
66 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?
1. AThe command is being entered from the wrong mode of operation.
2. BThe command syntax is wrong.
3. CThe subnet mask information is incorrect.
4. DThe interface is shutdown and must be enabled before the switch will accept the IP address.
77 An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?
1. Ato restart the ping process
2. Bto interrupt the ping process
3. Cto exit to a different configuration mode
4. Dto allow the user to complete the command
88 Refer 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?
1. Aletmein
2. Bsecretin
3. Clineconin
4. Dlinevtyin
99 On which switch interface would an administrator configure an IP address so that the switch can be managed remotely?
1. AFastEthernet0/1
2. BVLAN 1
3. Cvty 0
4. Dconsole 0
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?
1. ATCP
2. BIP
3. CHTTP
4. DEthernet

1111 What is an advantage to using a protocol that is defined by an open standard?
1. AA company can monopolize the market.
2. BThe protocol can only be run on equipment from a specific vendor.
3. CAn open standard protocol is not controlled or regulated by standards organizations.
4. DIt encourages competition and promotes choices.
1212 What are two benefits of using a layered network model? (Choose two.)
1. AIt assists in protocol design.
2. BIt speeds up packet delivery.
3. CIt prevents designers from creating their own model.
4. DIt prevents technology in one layer from affecting other layers.
5. EIt ensures a device at one layer can function at the next higher layer.
1313 Which two OSI model layers have the same functionality as two layers of the TCP/IP model? (Choose two.)
1. Adata link
2. Bnetwork
3. Cphysical
4. Dsession
5. Etransport
1414 Which name is assigned to the transport layer PDU?
1. Abits
2. Bdata
3. Cframe
4. Dpacket
5. Esegment
1515 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?
1. Apresentation layer
2. Bnetwork layer
3. Cphysical layer
4. Ddata link layer
1616 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.)
1. Athe amount of traffic that is currently crossing the network
2. Bthe sophistication of the encapsulation method applied to the data
3. Cthe type of traffic that is crossing the network
4. Dthe latency that is created by the number of network devices that the data is crossing
5. Ethe bandwidth of the WAN connection to the Internet
6. Fthe reliability of the gigabit Ethernet infrastructure of the backbone
1717 What is a characteristic of UTP cabling?
1. Acancellation
2. Bcladding
3. Cimmunity to electrical hazards
4. Dwoven copper braid or metallic foil
1818 What are two characteristics of fiber-optic cable? (Choose two.)
1. AIt is not affected by EMI or RFI.
2. BEach pair of cables is wrapped in metallic foil.
3. CIt combines the technique of cancellation, shielding, and twisting to protect data.
4. DIt typically contains 4 pairs of fiber-optic wires.
5. EIt is more expensive than UTP cabling is.
1919 What is a characteristic of the LLC sublayer?
1. AIt provides the logical addressing required that identifies the device.
2. BIt provides delimitation of data according to the physical signaling requirements of the medium.
3. CIt places information in the frame allowing multiple Layer 3 protocols to use the same network interface and media.
4. DIt defines software processes that provide services to the physical layer.
2020 A 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?
1. Amesh
2. Bpartial mesh
3. Chub and spoke
4. Dpoint-to-point
2121 What method is used to manage contention-based access on a wireless network?
1. ACSMA/CD
2. Bpriority ordering
3. CCSMA/CA
4. Dtoken passing
2222 What are the three primary functions provided by Layer 2 data encapsulation? (Choose three.)
1. Aerror correction through a collision detection method
2. Bsession control using port numbers
3. Cdata link layer addressing
4. Dplacement and removal of frames from the media
5. Edetection of errors through CRC calculations
6. Fdelimiting groups of bits into frames
7. Gconversion of bits into data signals
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?
1. AIt will discard the frame.
2. BIt will forward the frame to the next host.
3. CIt will remove the frame from the media.
4. DIt will strip off the data-link frame to check the destination IP address.
2424 Which frame forwarding method receives the entire frame and performs a CRC check to detect errors before forwarding the frame?
1. Acut-through switching
2. Bstore-and-forward switching
3. Cfragment-free switching
4. Dfast-forward switching
2525 Refer 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?
1. ADD:DD:DD:DD:DD:DD
2. B172.168.10.99
3. CCC:CC:CC:CC:CC:CC
4. D172.168.10.65
5. EBB:BB:BB:BB:BB:BB
6. FAA:AA:AA:AA:AA:AA
2626 What addresses are mapped by ARP?
1. Adestination MAC address to a destination IPv4 address
2. Bdestination IPv4 address to the source MAC address
3. Cdestination IPv4 address to the destination host name
4. Ddestination MAC address to the source IPv4 address
2727 What are two services provided by the OSI network layer? (Choose two.)
1. Aperforming error detection
2. Brouting packets toward the destination
3. Cencapsulating PDUs from the transport layer
4. Dplacement of frames on the media
5. Ecollision detection
2828 What are two functions of NVRAM? (Choose two.)
1. Ato store the routing table
2. Bto retain contents when power is removed
3. Cto store the startup configuration file
4. Dto contain the running configuration file
5. Eto store the ARP table
2929 Refer 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?
1. AThe administrator will be required to enter Cisco123.
2. BThe administrator will be required to enter Cisco234.
3. CThe administrator will be required to enter Cisco789.
4. DThe administrator will be presented with the R1> prompt.
3030 What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?
1. A192.0.2.199
2. B198.51.100.201
3. C203.0.113.211
4. D209.165.201.223
3131 What are three characteristics of multicast transmission? (Choose three.)
1. AThe source address of a multicast transmission is in the range of 224.0.0.0 to 224.0.0.255.
2. BA single packet can be sent to a group of hosts.
3. CMulticast transmission can be used by routers to exchange routing information.
4. DRouters will not forward multicast addresses in the range of 224.0.0.0 to 224.0.0.255.
5. EComputers use multicast transmission to request IPv4 addresses.
6. FMulticast messages map lower layer addresses to upper layer addresses.
3232 What are the three ranges of IP addresses that are reserved for internal private use? (Choose three.)
1. A10.0.0.0/8
2. B64.100.0.0/14
3. C127.16.0.0/12
4. D172.16.0.0/12
5. E192.31.7.0/24
6. F192.168.0.0/16
3333 What purpose does NAT64 serve in IPv6?
1. AIt converts IPv6 packets into IPv4 packets.
2. BIt translates private IPv6 addresses into public IPv6 addresses.
3. CIt enables companies to use IPv6 unique local addresses in the network.
4. DIt converts regular IPv6 addresses into 64-bit addresses that can be used on the Internet.
5. EIt converts the 48-bit MAC address into a 64-bit host address that can be used for automatic host addressing.
3434 What is the most compressed representation of the IPv6 address 2001:0000:0000:abcd:0000:0000:0000:0001?
1. A2001:0:abcd::1
2. B2001:0:0:abcd::1
3. C2001::abcd::1
4. D2001:0000:abcd::1
5. E2001::abcd:0:1
3535 Which range of link-local addresses can be assigned to an IPv6-enabled interface?
1. AFEC0::/10
2. BFDEE::/7
3. CFE80::/10
4. DFF00::/8
3636 How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?
1. A254
2. B190
3. C192
4. D62
5. E64
3737 A 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?
1. A255.255.255.0
2. B255.255.255.128
3. C255.255.255.224
4. D255.255.255.240
3838 Which subnet would include the address 192.168.1.96 as a usable host address?
1. A192.168.1.64/26
2. B192.168.1.32/27
3. C192.168.1.32/28
4. D192.168.1.64/29
3939 Which statement is true about variable-length subnet masking?
1. AEach subnet is the same size.
2. BThe size of each subnet may be different, depending on requirements.
3. CSubnets may only be subnetted one additional time.
4. DBits are returned, rather than borrowed, to create additional subnets.
4040 Which scenario describes a function provided by the transport layer?
1. 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.
2. BA student is playing a short web-based movie with sound. The movie and sound are encoded within the transport layer header.
3. 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.*
4. 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.
4141 A 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?
1. Athe destination IP address
2. Bthe destination port number
3. Cthe source IP address
4. Dthe source port number
4242 What are two ways that TCP uses the sequence numbers in a segment? (Choose two.)
1. Ato identify missing segments at the destination
2. Bto reassemble the segments at the remote location
3. Cto specify the order in which the segments travel from source to destination
4. Dto limit the number of segments that can be sent out of an interface at one time
5. Eto determine if the packet changed during transit
4343 Which two tasks are functions of the presentation layer? (Choose two.)
1. Acompression
2. Baddressing
3. Cencryption
4. Dsession control
5. Eauthentication
4444 What is a key characteristic of the peer-to-peer networking model?
1. Awireless networking
2. Bsocial networking without the Internet
3. Cnetwork printing using a print server
4. Dresource sharing without a dedicated server
4545 A 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?
1. Atracert
2. Bipconfig
3. Cnetstat
4. Dnslookup
4646 Which domain name would be an example of a top-level domain?
1. Awww.cisco.com
2. Bcisco.com
3. C.com
4. Droot.cisco.com
4747 A 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?
1. AThe configuration is permanent and nothing changes.
2. BThe address lease is automatically renewed until the PC is returned.
3. CThe address is returned to the pool for reuse when the lease expires.
4. DThe configuration is held by the server to be reissued when the PC is returned.
4848 A wireless host needs to request an IP address. What protocol would be used to process the request?
1. AFTP
2. BHTTP
3. CDHCP
4. DICMP
5. ESNMP
4949 Which example of malicious code would be classified as a Trojan horse?
1. Amalware that was written to look like a video game
2. Bmalware that requires manual user intervention to spread between systems
3. Cmalware that attaches itself to a legitimate program and spreads to other programs when launched
4. Dmalware that can automatically spread from one system to another by exploiting a vulnerability in the target
5050 When applied to a router, which command would help mitigate brute-force password attacks against the router?
1. Aexec-timeout 30
2. Bservice password-encryption
3. Cbanner motd $Max failed logins = 5$
4. Dlogin block-for 60 attempts 5 within 60
5151 A network technician suspects that a particular network connection between two Cisco switches is having a duplex mismatch. Which command would the technician use to see the Layer 1 and Layer 2 details of a switch port?
1. Ashow interfaces
2. Bshow running-config
3. Cshow ip interface brief
4. Dshow mac-address-table
5252 Where are Cisco IOS debug output messages sent by default?
1. Amemory buffers
2. Bvty lines
3. CSyslog server
4. Dconsole line
5353 Match the description with the associated IOS mode. (Not all options are used.)
1. A
2. Bsigue
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.)
1. A
2. Bseguir

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Descrição: O usuário eliminou as informações de disciplina Quiz sobre Exan Final CCNA (Option A), criado por Usuário eliminado em 28-01-2018.
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Histórico: Criado em 28 jan 2018 · atualizado em 28 jan 2018
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Exan Final CCNA (Option A)

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