Test 10 - Routing in general

Select two options Chọn ít nhất một câu trả lời a.. After investigating you discover that the routing table of the Holyoke router shows that an entry for the Chicopee E0 network is mi

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Test 10 - Routing in general

Câu trả lời đúng: The default gateway is a network address B The default

gateway is on a different subnet address as the host C The IP address of the host

is on a different subnet D The host subnet mask is incompatible to the subnet mask of the attached router interface

Câu trả lời đúng: A It decreases the number of broadcast domains B It makes

broadcasting domains more efficient between segments C It increases the

number of collisions

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5 What are the benefits of using a router to segment the network at a main

office?(Select two options.)

One of your trainees wants to know which of the following statements regarding

the command ip route 172.16.3.0 255.255.255.0 192.168.2.4 are true What can

you tell her? (Select two options)

Chọn ít nhất một câu trả lời

a The default administrative distance is used

b The command is used to establish a static route

c The command is used to configure the routers

d The command is used to establish a stub network

e The subnet mask for the source address is 255.255.255.0

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Điểm: 1/1

6

Điểm : 1

2 Study the Exhibit below carefully:

Users on the Holyoke router cannot get access to the intranet server attached to interface E0 of the Chicopee router After investigating you discover that the

routing table of the Holyoke router shows that an entry for the Chicopee E0

network is missing.Which command, according to the above exhibit, will configure the Holyoke router with a path to the intranet server network?

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3 One of your trainees wants to know which of the following statements regarding the command ip route 172.16.3.0 255.255.255.0 192.168.2.4 are true What can you tell her? (Select two options.)

a The default administrative distance is used

b The command is used to establish a static route C The command is used to configure the routers D The command is used to establish a stub network E The subnet mask for the source address is

a A A routing protocol is assigned to an interface and determines the method

of packet delivery

b A routed protocol is assigned to an interface and determines the

method of packet delivery

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c A routing protocol determines the path of a packet through a network

D A routed protocol determines the path of a packet through a network

E A routing protocol operates at the transport layer of the OSI model F

A routed protocol updates the routing table of a router

a packet switching B destination host addressing

b path selection D VLAN membership assignment E ARP request

a The extended ping command is supported from user EXEC mode

b The extended ping command is supported from privileged EXEC mode

c With the extended ping command you can specify the port to be pinged

d With the extended ping command you can specify the timeout

e With the extended ping command you can specify the datagram size

Đúng

Điểm: 1/1

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Test 11 - Distance Vector Routing

Xem lại lần thử 1

Bắt đầu vào lúc: th nm, 30 thang tam 2007, 11:42 CHKết thúc lúc: th nm, 30 thang tam 2007, 11:54 CHThời gian thực hiện : 12 phút 19 secs

Raw score: 10.67/14 (76 %)Điểm: trên điểm tối đa

1

Điểm : 1

5 Which of the following statements is true regarding the split horizon rule?

Chọn một câu trả lời

a Distance vector protocols need fall back routes that are responsible for momentary loops

b Networks can only remain fully operational provided all information is sent out all active interfaces

c Each AS must keep routing tables converged to avoid dead routes from being advertised

d Information about a route should not be sent back in the direction from which the original update came

e Only routers can split boundaries (horizons) between concentric networks

a Spanning Tree Protocol

b Shortest path first tree

c Link-state advertisements (LSA)

ip rip and show ip route commands The output form the command is shown in the following exhibit:

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What is the most likely cause of the problem?

a 172.16.20.0 is not located in CiscoSystem1 s routing table �

b There is no gateway of last resort on CiscoSystem1

c The static route for 172.16.20.0 is incorrect

d The CiscoSystem1 router is not receiving 172.16.20.0 updates

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CiscoSystem2 and CiscoSystem3 are configured for RIPv1 and have complete connectivity CiscoSystem1 was recently added to the network You want CiscoSystem1 to have full connectivity as well What would then be the most appropriate CiscoSystem1 configuration?

d Autonomous system number

e Connected network ID numbers

Đúng

Điểm: 1/1

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Điểm : 1

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4 You are a network administrator at CiscoSystem You are troubleshooting a router problem You issue the show ip route command on one of the routers The output from the command is shown in the following exhibit:

What does [120/3] represent?

a 120 is the bandwidth allocation and 3 is the routing process number

b 120 is the administrative distance and 3 is the metric for that route

c 120 is the value of the update timer and 3 is the number of updates received

d 120 is the UDP port for forwarding traffic and 3 is the number of bridges

in the routing table.What will your reply be?

a IGRP has a faster update timer

b IGRP has a lower administrative distance

c RIP has a higher metric value for that route

d The IGRP route has fewer hops

e The RIP path has a routing loop

b This router was configured with the commands:

RtrA(config)# router rip

RtrA(config-router)# version 2

RtrA(config-router)# network 172.16.0.0

RtrA(config-router)# network 10.0.0.0

c Split horizon was disabled on this router

d Network 10.0.0.0 will be displayed in the routing table

e This router was configured with the commands:

RtrA(config)# router rip

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The company, CiscoSystem, network is running OSPF on the routers as shown in the exhibit abov~An ISDN link provides connectivity to the remote sales offic~Which of the following route types should be configured on the Corporate router to connect to the sales office s remote network while minimizing network overhead on the ISDN�link?

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b The update will be ignored and thus no further action will occur

c The update information will be added to the existing routing table

d The existing routing table entry will be purged from the routing table and all routers will attempt convergenc Đúng

a The RIP route

b The static route

c The IGRP route

d All three will load balance

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The exhibit above shows the output from the router Use it to determine which of the following are correct (Select two options)

a Router John will get routing updates on the Serial0/0 interface

b Router John makes use of a link-state routing protocol

c Router John will issue routing updates out the FastEthernet0/0 interfac

d Router John will issue routing updates out the Serial0/0 interface

e Router John will get routing updates on the Serial0/1 interface

Đúng

Điểm: 1/1

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Điểm : 1

7 The following exhibit shows the router topology for the CiscoSystem network

All routers are running RIP Which of the following statements describe how the routers exchange their routing tables? (Select 2)

a CiscoSystem4 exchanges with CiscoSystem3

b CiscoSystem4 exchanges with CiscoSystem2

c CiscoSystem4 exchanges with CiscoSystem1

d CiscoSystem1 exchanges with CiscoSystem3

e CiscoSystem1 exchanges with CiscoSystem2

f CiscoSystem1 exchanges with CiscoSystem4

Đúng

Điểm: 1/1

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Test 13 - Advanced Routing Xem lại lần thử 1

Bắt đầu vào lúc: th sau, 7 thang chin 2007, 10:09 SAKết thúc lúc: th sau, 7 thang chin 2007, 10:22 SAThời gian thực hiện : 12 phút 27 secs

Raw score: 4/6 (67 %)Điểm: trên điểm tối đa

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Referring to the output of the two show commands in the graphic above: How will the ICMP packets be processed by CiscoA if an administrator wants to ping host 10.1.8.5 from host 10.1.6.100?

a The packets will be discarded

b The packets will be routed out the S0/0 interface

c The packets will be routed out the S0/1 interface

d The packets will be routed out the Fa0/0 interface

e The packets will be routed through the 10.1.2.2 gateway

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What can be determined from the router output displayed in the exhibit?

a 200.1.1.64 is a default route

b The output shows that there are three default routes

c The output came from router Cisco2

d The output came from a router that has four physical interfaces

e EIGRP is in use in this network

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Refer to the exhibit A small office with twenty-five employees has one connection to the Internet through the Cisco1 router What routing configurations are recommended on the Cisco1 and ISP routers?

a BGP on both the routers

b RIP on both the routers

c Default routes on both routers

d BGP on the ISP router and a static route on Cisco1

e A default route on Cisco1 and a static route on the ISP router

Đúng

Điểm: 1/1

5

Điểm : 1

Network topology exhibit

Which routing protocols can be used within the enterprise network show in the diagram? (Choose three)

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Assume that RIP v1 is the only routing protocol in use What is the Maximum number of usable IP address that can

be supported on each LAN if the organization is using one Class C address block?

Raw score: 2/6 (33 %)Điểm: trên điểm tối đa

a The MAC address used by inside hosts to connect to the Internet

b The summarized address for all internal subnetted addresses

c A private IP address assigned to a host on the inside network

d A registered address that represents an inside host to an outside network

e A unique IP address used on an intranet

Không đúng

Điểm: 0/1

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2

Điểm : 1

Cisco has 25 computers and decides to connect the network to the Internet Cisco would like for all of the computers

to have access to the Internet at the same time, but Cisco only has four usable public IP addresses What should be configured on the router so that all computers can connect to the Internet simultaneously?

a Static NAT

b Global NAT

c Dynamic NAT

d Static NAT with ACLs

e Dynamic NAT with overload

Không đúng

Điểm: 0/1

3

Điểm : 1

Network topology exhibit:

Cisco.com wants to use NAT in network displayed in the exhibit Which commands will apply the NAT configuration to the proper interfaces?(Select two)

a Cisco1(config) interface serial0/1 Cisco1(config-if)# ip nat inside

b Cisco1(config) interface serial0/1 Cisco1(config-if)# ip nat outside

c Cisco1(config) interface fastethernet0/0 Cisco1(config-if)# ip nat inside

d Cisco1(config) interface fastethernet0/0 Cisco1(config-if)# ip nat outside

e Cisco1(config) interface serial0/1 Cisco1(config-if)# ip nat outside source pool 200.2.2.18 255.255.255.252

f Cisco1(config) interface serial0/1 Cisco1(config-if)# ip nat inside source 10.10.0.0 255.255.255

Đúng

Điểm: 1/1

4

Điểm : 1

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Exhibit #1: Cisco(config)# ip nat inside source static 192.168.2.1 198.18.1.254 Exhibit #2: Show ip nat transations You work as network technician at the Frankfurt am Main office of Cisco.com You are required to ensure that a web server is accessible from the Internet The network uses private addressing It follows that an IP-to-registered address mapping is required You enter the command displayed in Exhibit #1 You unsuccessfully try to ping the Internet Then you enter the IOS command shown in Exhibit #2 However, the output is blank Your boss at Cisco asks what the problem is What should you tell her?

a The keyword overload is missing from the command

b The NAT pool must be defined first

c An access list must be defined to create static NAT translations

d The interfaces must be configured for NAT

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Refer to the topology and partial configuration output shown in the graphic The ip subnet-zero configuration

command is also in effect After the router performs network address translation, which address is a valid inside�global address ?�

Study the Exhibit below carefully:

In the illustration, Host CiscoSystem1 is trying to communicate with Host CiscoSystem2 The e0 interface on

CiscoSystemC is down Which of the following are true? (Select two options)

a CiscoSystemC will make use of ICMP to inform Host 1, CiscoSystemA, and CiscoSystemB that Host 2 is unreachable

b CiscoSystemC will send a Destination Unreachable message type

c CiscoSystemC will make use of ICMP to inform Host 1 that Host 2 is unreachable

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d CiscoSystemC will use ICMP to inform CiscoSystemB that Host 2 is unreachable

e CiscoSystemC will issue a Router Selection message type

f CiscoSystemC will issue a Source Quench message type

Không đúng

Điểm: 0/1

Quiz 10 - Routing in General

1 Which of the following commands correctly configures a static route?

2 Which of the following must be true before IOS lists a route as

a The IP address must be configured on an interface

b The router must receive a routing update from a neighboring router

c The ip route command must be added to the configuration

d The ip address command must use the special keyword

Điểm: 1/1

3 One of your trainees wants to know which of the following statements

regarding the command ip route 172.16.3.0 255.255.255.0 192.168.2.4 are

tru~What can you tell her? (Select two options.)

a The default administrative distance is used

b The command is used to establish a static route

c The command is used to configure the routers

d The command is used to establish a stub network

e The subnet mask for the source address is 255.255.255.0 Đúng

Điểm: 1/1

4 Which of the following routes will be used to forward data in a situation

where a routing table contains static, RIP, and IGRP routes destined to the

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same network with each set to its default administrative distance?

a The RIP route

b The static route

c The IGRP route

d All three will load balance Đúng

Điểm: 1/1

5 What part of the output of the show ip route command identifies the metric associated with the route?

a The first number in the line describing the route

b The last number in the line describing the route

c The number after the word

d The first number in brackets in the line describing the route

e The last number in brackets in the line describing the route Đúng

Điểm: 1/1

6 What command(s) list(s) information identifying the neighboring routers

that are sending routing information to a particular router?

a show ip

b show ip protocol

c show ip routing-protocols

d show ip route

e show ip route neighbor

f show ip route received Đúng

Điểm: 1/1

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Quiz 11 - Distance Vector RIP & IGRP

Bắt đầu vào lúc: th bay, 1 thang chin 2007, 05:59 CH

Kết thúc lúc: th bay, 1 thang chin 2007, 06:02 CH

Thời gian thực hiện : 3 phút 26 secs

1.Which of the following routing protocols are considered to use link-state logic?

IS-IS Gợi ý: Giao thức nào hoạt đông theo nguyên lý link state

2 Which of the following situations would cause RIP or IGRP to remove all the routes learned from

a particular neighboring router?

a Failure to receive a keepalive

b It no longer receives updates from that neighbor Chúc mừng ! Bạn đã trả lời

chính xác !

c Updates received 5 or more seconds after the last update was sent

to that neighbor

d Updates from that neighbor have the global

Giải thích: Sau một khoảng thời gian định kỳ, các router chạy RIP và IGRP sẽ cập nhật toàn bộ bảng định tuyến của nhau Nếu trong thời gian đó, quá trình cập nhật định kỳ không xảy ra thì RIP và IGRP sẽ coi router hàng xóm không hoạt động và xóa toàn bộ các tuyến học từ router đó

Đúng

Điểm: 1/1

Gợi ý: Trường hợp nào dưới đây RIP và IGRP sẽ xóa tất cả các tuyến đường học được từ hàng xóm

3.Which of the following distance vector features prevents routing loops by causing the routing

protocol to advertise only a subset of known routes, as opposed to the full routing table?

giao thức distance vector quy định: không được gửi bản tin routing update học được từ 1 cổng trở lại cổng

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