Test
CiscoFinalExam2
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Preguntas del test (90)
1What 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)
2Which 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
- Cthe destination host.
- DIt de-encapsulates the packet and forwards it toward the destination host.
- EIt selects the path and forwards it toward the destination host.
3Refer 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.
4What 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.
5Which 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.
6Which 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.
7Which 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
8 Which 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.
9What 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
10What 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
11Which type of wireless security makes use of dynamic encryption keys each time a client associates with an AP?
- AEAP
- BPSK
- CWEP
- DWPA
12Launch PT – Hide and Save PT. Open the PT activity. Perform the tasks in the activity instructions and then fill in the blank. The Server0 message is .
- A” winner ”
- B.
13Which field in an IPv4 packet header will typically stay the same during its transmission?
- APacket Length
- BDestination Address
- CFlag
- DTime-to-Live
14Launch PT – Hide and Save PT. Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.
Which IPv6 address is assigned to the Serial0/0/0 interface on RT2?
- A2001:db8:abc:1::1
- B2001:db8:abc:5::1
- C2001:db8:abc:5::2
- D2001:db8:abc:10::15
15What 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).
16What 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)
17Which 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.
18A 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.
19Why does HTTP use TCP as the transport layer protocol?
- Ato ensure the fastest possible download speed
- Bbecause HTTP is a best-effort protocol
- Cbecause transmission errors can be tolerated easily
- Dbecause HTTP requires reliable delivery
20What is the valid most compressed format possible of the IPv6 address 2001:0DB8:0000:AB00:0000:0000:0000:1234?
- A2001:DB8:0:AB00::1234
- B2001:DB8:0:AB::1234
- C2001:DB8::AB00::1234
- D2001:DB8:0:AB:0:1234
21What field content is used by ICMPv6 to determine that a packet has expired?
- ATTL field
- BCRC field
- CHop Limit field
- DTime Exceeded field
22Which firewall technique blocks incoming packets unless they are responses to internal requests?
- Aport filtering
- Bstateful packet inspection
- CURL filtering
- Dapplication filtering
23A network technician is investigating network connectivity from a PC to a remote host with the address 10.1.1.5. Which command issued on the PC will return to the technician the complete path to the remote host?
- Atrace 10.1.1.5
- Btraceroute 10.1.1.5
- Ctracert 10.1.1.5
- Dping 10.1.1.5
24Fill in the blank. To prevent faulty network devices from carrying dangerous voltage levels, equipment must be grounded* correctly
- Agrounded
- B.
25What is a possible hazard that can be caused by network cables in a fire?
- AThe cable insulation could be flammable.
- BUsers could be exposed to excessive voltage.
- CNetwork cables could be exposed to water.
- DThe network cable could explode.
26What device is commonly used to verify a UTP cable?
- Aa multimeter
- Ban Optical Time Domain Reflectometer
- Ca cable tester
- Dan ohmmeter
27What needs to be checked when testing a UTP network cable?
- Acapacitance
- Bwire map
- Cinductance
- Dflexibility
28Refer to the exhibit. A ping to PC2 is issued from PC0, PC1, and PC3 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
29Which function is provided by TCP?
- Adata encapsulation
- Bdetection of missing packets
- Ccommunication session control
- Dpath determination for data packets
30What does a router use to determine where to send data it receives from the network?
- Aan ARP table
- Ba routing table
- Cthe destination PC physical address
- Da switching table
31Which router interface should be used for direct remote access to the router via a modem?
- Aan inband router interface
- Ba console port
- Ca serial WAN interface
- Dan AUX port
32A technician is configuring a router to allow for all forms of management access. As part of each different type of access, the technician is trying to type the command login. Which configuration mode should be entered to do this task?
- Auser executive mode
- Bglobal configuration mode
- Cany line configuration mode
- Dprivileged EXEC mode
33Which 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.
34 Refer to the exhibit. A TCP segment from a server has been captured by Wireshark, which is running on a host. What acknowledgement number will the host return for the TCP segment that has been received?
- A2
- B21
- C250
- D306
- E2921
35 Which statement is true about an interface that is configured with the IPv6 address command?
- AIPv6 traffic-forwarding is enabled on the interface.
- BA link-local IPv6 address is automatically configured on the interface.
- CA global unicast IPv6 address is dynamically configured on the interface.
- DAny IPv4 addresses that are assigned to the interface are replaced with an IPv6 address.
36Refer to the exhibit. An administrator must send a message to everyone on the router A network. What is the broadcast address for network 172.16.16.0/22?
- A172.16.16.255
- B172.16.20.255
- C172.16.19.255
- D172.16.23.255
- E172.16.255.255
37A network administrator is variably subnetting a given block of IPv4 addresses. Which combination of network addresses and prefix lengths will make the most efficient use of addresses when the need is for 2 subnets capable of supporting 10 hosts and 1 subnet that can support 6 hosts?
- A10.1.1.128/28
10.1.1.144/28
10.1.1.160/29 - B10.1.1.128/28
10.1.1.144/28
10.1.1.160/28 - C10.1.1.128/28
10.1.1.140/28
10.1.1.158/26 - D10.1.1.128/26
10.1.1.144/26
10.1.1.160/26 - E10.1.1.128/26
10.1.1.140/26
10.1.1.158/28
- A10.1.1.128/28
38How many additional bits should be borrowed from a /26 subnet mask in order to create subnets for WAN links that need only 2 useable addresses?
- A2
- B3
- C4
- D5
- E6
39A network administrator requires access to manage routers and switches locally and remotely. Match the description to the access method. (Not all options are used.)
- A
- B.
- A
40Refer to the exhibit. The administrator configured the access to the console and the vty lines of a router. Which conclusion can be drawn from this configuration?
- AUnauthorized individuals can connect to the router via Telnet without entering a password.
- BBecause the IOS includes the login command on the vty lines by default, access to the device via Telnet will require authentication.
- CAccess to the vty lines will not be allowed via Telnet by anyone.
- DBecause the login command was omitted, the password cisco command is not applied to the vty lines.
41 An administrator issued the service password-encryption command to apply encryption to the passwords configured for enable password, vty, and console lines. What will be the consequences if the administrator later issues the no service password-encryption command?
- AIt will remove encryption from all passwords.
- BIt will reverse only the vty and console password encryptions.
- CIt will not reverse any encryption.
- DIt will reverse only the enable password encryption.
42 After making configuration changes, a network administrator issues a copy running-config startup-config command in a Cisco switch. 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.
43What are two features of ARP? (Choose two.)
- AIf a host is ready to send a packet to a local destination device and it has the IP address but not the MAC address of the destination, it generates an ARP broadcast.
- BAn ARP request is sent to all devices on the Ethernet LAN and contains the IP address of the destination host and its multicast MAC address.
- CWhen a host is encapsulating a packet into a frame, it refers to the MAC address table to determine the mapping of IP addresses to MAC addresses.
- DIf no device responds to the ARP request, then the originating node will broadcast the data packet to all devices on the network segment.
- EIf a device receiving an ARP request has the destination IPv4 address, it responds with an ARP reply.
44A network administrator is enabling services on a newly installed server. Which two statements describe how services are used on a server? (Choose two.)
- AData sent with a service that uses TCP is received in the order the data was sent.
- BA port is considered to be open when it has an active server application that is assigned to it.
- CAn individual server can have two services that are assigned to the same port number.
- DAn individual server cannot have multiple services running at the same time.
- EServer security can be improved by closing ports that are associated with unused services.
45Given the binary address of 11101100 00010001 00001100 00001010, which address does this represent in dotted decimal format?
- A234.17.10.9
- B234.16.12.10
- C236.17.12.6
- D236.17.12.10
46A particular telnet site does not appear to be responding on a Windows 7 computer. What command could the technician use to show any cached DNS entries for this web page?
- Aipconfig /all
- Barp -a
- Cipconfig /displaydns
- Dnslookup
47Fill in the blank.
Network devices come in two physical configurations. Devices that have expansion slots that provide the flexibility to add new modules have a Modular * configuration.
Refer to the exhibit. What is the maximum TIL value that is used to reach the destination www.cisco.com?
- A11
- B12
- C13
- D14
48Which statement is true about DHCP operation?
- AWhen a device that is configured to use DHCP boots, the client broadcasts a DHCPDISCOVER message to identify any available DHCP servers on the networK.
- BA client must wait for lease expiration before it sends another DHCPREOUEST message.
- CThe DHCPDISCOVER message contains the IP address and sub net masK to be assigned, the IP address of the DNS server, and the IP address of the default gateway.
- DIf the client receives several DHCPOFFER messages from different servers, it sends a unicast DHCPREOUEST message to the server from which it chooses to obtain the IP information.
49Which type of wireless security is easily compromised?
- AEAP
- BPSK
- CWEP
- DWPA
50 A network administrator notices that the throughput on the network appears lower than expected when compared to the end-to-end network bandwidth. Which three factors can explain this difference? (Choose three.)
- Athe amount of traffic
- Bthe type of data encapsulation in use
- Cthe type of traffic
- Dthe number and type of network devices that the data is crossing
- Ethe bandwidth of the connection to the ISP
- Fthe reliability of the network backbone
51A host PC is attempting to lease an address through DHCP. What message is sent by the server to the client know it is able to use the provided IP information?
- ADHCPDISCOVER
- BDHCPOFFER
- CDHCPPREQUEST
- DDHCPACK
- EDHCPNACK
52A network administrator is configuring access control to switch SW1. If the administrator uses console line to connect to the switch, which password is needed to access user EXEC mode?
- Aletmein
- Bsecretin
- Clineconin
- Dlinevtyin
53How many bits would need to be borrowed if a network admin were given the IP addressing scheme of 172.16.0.0/16 and needed no more than 16 subnet with equal number of hosts?
- A10
- B12
- C2
- D4
- E8
54Question:
It will give 4 options about ping, the correct one is:
- AThe PC2 will be able to ping 192.168.1.1
- B.
55Which statement best describes the operation of the File Transfer Protocol?
- AAn FTP client uses a source port number of 21 and a randomly generated destination port number during the establishment of control traffic with an FTP Server.
- BAn FTP client uses a source port number of 20 and a randomly generated destination port number during the establishment of data traffic with an FTP Server.
- CAn FTP server uses a source port number of 20 and a randomly generated destination port number during the establishment of control traffic with an FTP client.
- DAn FTP server uses a source port number of 21 and a randomly generated destination port number during the establishment of control traffic with an FTP client.
56A client is establishing a TCP session with a server. How is the acknowledgment number in the response segment to the client determined?
- AThe acknowledgment number field is modified by adding 1 to the randomly chosen initial sequence number in response to the client.
- BThe acknowledgment number is set to 11 to signify an acknowledgment packet and synchronization packet back to the client.
- CThe acknowledgment number field uses a random source port number in response to the client.
- DThe acknowledgment number is set to 1 to signify an acknowledgment packet back to the client.
57Why does layer 3 device perform the ANDing process on a destination IP and subnet Mask?
- Ato identify host address and destination host;
- Bto identify network address of destination host;
- Cto identify faulty frames;
- Dto identify broadcast address of destination network;
58There was also a question about if you activated service password encryption in the past and you prompt “no service password encryption” what password are modified ?
- Ano password at all;
- Bpassword of the lines are in clear;
- Clogin password;
- D?
59What type of communication rule would best describe CSMA/CD?
- Amessage encapsulation
- Bflow control
- Cmessage encoding
- Daccess method
60What is the primary reason to subnet IPv6 prefixes?
- Ato conserve IPv6 addresses
- Bto avoid wasting IPv6 addresses
- Cto conserve IPv6 prefixes
- Dto create a hierarchical Layer 3 network design
61Which statement describes data throughput?
- AIt is the measure of the bits transferred across the media under perfect conditions.
- BIt is the measure of the bits transferred across the media over a given period of time.
- CIt indicates the capacity of a particular medium to carry data.
- DIt is the guaranteed data transfer rate offered by an ISP.
62Fill in the blank. Use a number.
IPv4 multicast addresses are directly mapped to IEEE 802 (Ethernet) MAC addresses using the last ___4___ of the 28 available bits in the IPv4 multicast group address.- A4
- B.
63How could a faulty network device create a source of hazard for a user? (Choose two.)
- AIt could stop functioning.
- BIt could apply dangerous voltage to other pieces of equipment.
- CIt could explode.
- DIt could produce an unsafe electromagnetic field.
- EIt could apply dangerous voltage to itself.
64What are three important considerations when planning the structure of an IP addressing scheme? (Choose three.)
- Apreventing duplication of addresses
- Bproviding and controlling access
- Cdocumenting the network
- Dmonitoring security and performance
- Econserving addresses
- Fimplementing new services
65What is the metric value that is used to reach the 10.1.1.0 network in the following routing table entry? D 10.1.1.0/24 [90/2170112] via 209.165.200.226, 00:00:05, Serial0/0/0
- A24
- B90
- C05
- D2170112
66Which two services or protocols use the preferred UDP protocol for fast transmission and low overhead? (Choose two)
- AVoIP
- BDNS
- CHTTP
- DFTP
- EPOP3
67What action does a DHCPv4 client take if it receives more than one DHCPOFFER from multiple DHCP servers?
- AIt sends a DHCPREQUEST that identifies which lease offer the client is accepting.
- BIt sends a DHCPNAK and begins the DHCP process over again.
- CIt discards both offers and sends a new DHCPDISCOVER.
- DIt accepts both DHCPOFFER messages and sends a DHCPACK.
68To what legacy address class does the address 10.0.0.0 belong?
- AClass B
- BClass D
- CClass A
- DClass C
- EClass E
69What type of communication medium is used with a wireless LAN connection?
- Aradio waves
- Bfiber
- Cmicrowave
- DUTP
70Which method of IPv6 prefix assignment relies on the prefix contained in RA messages?
- AEUI-64
- Bstatic
- CSLAAC
- Dstateful DHCPv6
71What is a characteristic of DNS?
- ADNS servers can cache recent queries to reduce DNS query traffic.
- BDNS servers are programmed to drop requests for name translations that are not within their zone.
- CAll DNS servers must maintain mappings for the entire DNS structure.
- DDNS relies on a hub-and-spoke topology with centralized servers.
72What is the prefix for the host address 2001:DB8:BC15:A:12AB::1/64?
- A2001:DB8:BC15
- B2001:DB8:BC15:A
- C2001:DB8:BC15:A:1
- D2001:DB8:BC15:A:12
73What information is maintained in the CEF adjacency table?
- ALayer 2 next hops
- BMAC address to IPv4 address mappings
- CIP address to interface mappings
- Dthe IP addresses of all neighboring routers
74When 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
75When 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
76Refer 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.
77Match each item to the type of topology diagram on which it is typically identified. (Not all options are used.)
Question
- AAnswer
- B.
- AAnswer
78A 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
79Refer 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.
80Match the situation with the appropriate use of network media.
Question
- AAnswer
- B.
- AAnswer
81Which 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
82What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.)
- AARP
- BDHCP
- CDNS
- DFTP
- ENAT
- FPPP
83Which two protocols function at the internet layer? (Choose two)
- AARP
- BBOOTP
- CICMP
- DIP
- EPPP
84Which 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
85A 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
86Which 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
87What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.)
- AARP
- BDHCP
- CDNS
- DFTP
- ENAT
- FPPP
88Which two protocols function at the internet layer? (Choose two
- AARP
- BBOOTP
- CICMP
- DIP
- EPPP
89Which 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
90When 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
Información
- Descripción
- High CISCO Test sobre CiscoFinalExam2, creado por Csse 1502 el 24/05/2017.
- Autor
- Csse 1502
- Idioma
- English
- Visitas
- 179
- Etiquetas
- Valoración
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