Jeira’s

Semoga salah satu kontribusi atas jawaban voucher CCNA4 ini bisa sedikit banyak berguna. soalnya aku sendiri juga ngrasain, gimana rasanya jungkir balik ngjain CCNA sampe setengah mampus—tapi habis itu idup lagi, hehehe……

kalo seumpama ada yang bernasib sama kaya yang dulu pernah aku rasain…. bisa share di yuuki_airy@yahoo.com  tapi mungkin response yang didapet agak lama,,, yah maklum jarang nge-blog… hehe… sabar ya

ya dah, check this out !!!!! One of Voucher Anwers of CCNA4

CCNA 4 skill review, gud lack

1(3)

A network administrator needs to address a network with 2 WAN links and 5 Ethernet links on a router. What is the most efficient way for the network administrator to address this network while wasting the fewest number of host addresses?

STP

DHCP

*VLSM

DNS

2(1)

Which subnet mask matches the 172.18.20.100/19 IP address?

*255.255.224.0

255.255.240.0

255.255.255.224

255.255.255.192

255.255.192.0

3(3,5)

Refer to the exhibit. Which two IP addresses can a network administrator legitimately choose from to assign to the host on the subnet connected to the FastEthernet 0/0 interface of the router? (Choose two.)

172.16.10.129

172.16.10.114

*172.16.10.122

172.16.10.128

*172.16.10.125

172.16.10.118

4(1,2,5)

Which addresses are considered network addresses of 200.199.48.0/29 when subnet zero is in effect? (Choose three.)

*200.199.48.0

*200.199.48.16

200.199.48.52

200.199.48.114

*200.199.48.200

200.199.48.242

5(4)

A client is communicating with a server on a different segment of the network. How does the server determine what service is being requested by the client?

The server will apply the default service configured in directory services.

The server will use ARP to discover the appropriate service from the local router.

The server will send a request to the client asking for the appropriate service.

*The server will determine the appropriate service from the destination port field.

6(3)

There are a large number of networking protocols that exist at various layers of the OSI model. What is a protocol?

a standards organization

a wiring specification

*a set of rules and conventions

a LAN/WAN standard

a set of logical and physical concepts

7(4)

Refer to the exhibit. If router JAX routes between VLANs including VLAN1, how many broadcast domains are present in the topology?

1

2

3

*4

5

8(3,5)

Which statements describe nondeterministic MAC protocols? (Choose two.)

Hosts are arranged in a logical ring topology.

Computers only transmit when they possess a token.

*Hosts transmit using a first-come, first-served approach.

Hosts take turns transmitting data.

*NICs listen for the absence of a signal before transmitting.

9(1)

A network technician is teaching a trainee to configure a router. The technician begins by explaining the different modes available during configuration. What router mode allows a limited set of monitoring commands that can be used to obtain but not alter basic configuration information?

*user mode

privileged mode

global mode

enable mode

configuration mode

10(3)

Refer to the exhibit. Which group of commands will configure the network with static routes?

RTR-1(config)# ip route 192.168.10.0 255.255.255.0 198.65.14.2 RTR-1(config)# ip route 198.65.14.0 255.255.255.252 198.65.14.2 RTR-2(config)# ip route 192.168.20.0 255.255.255.0 198.65.14.1 RTR-2(config)# ip route 198.65.14.0 255.255.255.252 198.65.14.1

RTR-1(config)# ip route 192.168.10.0 255.255.255.0 198.65.14.1 RTR-2(config)# ip route 192.168.20.0 255.255.255.0 198.65.14.2

*RTR-1(config)# ip route 192.168.20.0 255.255.255.0 198.65.14.2 RTR-2(config)# ip route 192.168.10.0 255.255.255.0 198.65.14.1

RTR-1(config)# ip route 192.168.20.0 255.255.255.0 198.65.14.1 RTR-2(config)# ip route 192.168.10.0 255.255.255.0 198.65.14.2

11(1,3,6)

Refer to the exhibit. Which configuration commands must be made on the Sydney router to configure it for connectivity with the Melbourne site? (Choose three.)

*Sydney(config-if)# ip address 192.168.15.6 255.255.255.252

Sydney(config-if)# ip address 192.168.15.4 255.255.255.252

*Sydney(config-if)# clock rate 56000

Sydney(config-if)# no clock rate

Sydney(config-if)# shutdown

*Sydney(config-if)# no shutdown

12(2)

A technician is recovering the password on a router. The technician has entered ROMMON mode, changed the configuration register to 0×2142, and reset the router. The technician enters configuration mode on the router, changes the password, and enters the copy running-config startup-config command. After changing the configuration register to 0×2102, the technician reloads the router. When the router reloads, the technician finds that only the password is in the configuration. What could be the problem?

The technician changed the configuration register to the wrong value.

*The technician did not copy the startup configuration to the running configuration before changing the password.

The technician should have changed the configuration register to 0×2100.

The router ignored NVRAM and did not load the startup configuration file when it rebooted.

The technician did not copy the running configuration to the startup configuration before changing the password.

13(2)

A technician is asked to configure a privileged EXEC password that uses a strong MD5 algorithm for encryption. What command or commands should the technician use to configure the password?

Router(config)# enable password cisco

*Router(config)# enable secret cisco

Router(config)# enable password cisco md5

Router(config)# enable password cisco Router(config)# password encrypt all

Router(config)# enable secret password cisco Router(config)# service password-encryption

14(2,5,6)

Which three statements describe the routing process? (Choose three.)

A router uses Spanning Tree Protocol to direct user traffic.

*A router must use information learned from other routers to reach remote routers.

A router uses a routed protocol to pass routing information to its neighbors.

Static routes are used to route packets to destinations that are not in any routing table.

*When static routing is used, the network administrator must configure the information about remote routers manually.

*A router makes forwarding decisions based upon the destination IP address of a packet.

15(1,4)

Which statements describe the routing table? (Choose two.)

*The gateway of last resort must be configured to direct unknown traffic requests.

Static routes are represented by the letter D for “directly connected”.

The routed protocols that are configured learn the usable routes to construct the routing table.

*Routers base packet forwarding decisions on information in the routing table.

In link-state routing, each router periodically receives its neighbor’s entire routing table.

16(2,3,5)

A network administrator needs to select the appropriate routing protocol for a network. What information should the administrator obtain to select the appropriate routing protocol? (Choose three.)

type of cabling that will be used between devices

*the size of the network

*bandwidth available on the links

distance between the devices in the network

*processing power of the routers

placement of the devices in the MDF or IDF

17(4)

Which feature of distance vector routing protocols prevents a router from sending information learned about a route back to the router it received the information from?

poison reverse

triggered updates

count to infinity

*split-horizon

route poisoning

k thats enough

18

Which command or commands will correctly configure the bandwidth for OSPF cost calculation?

Router(config-ospf)# bandwidth 64000

Router(config)# interface S0/0Router(config-ospf)# bandwidth 64000

*Router(config)# interface s0/0Router(config-if)# bandwidth 64000

Router(config)# router ospf 1Router(config-router)# bandwidth 64000

19

As a packet is being moved across a routed network from host A to host B it must pass across a series of routers. What is true of the Layer 2 and Layer 3 addresses in the packet header as it moves from router to router?

The Layer 3 destination address will be the Layer 3 address of the next hop router.

*The Layer 2 destination address will be the Layer 2 address of the next hop router.

The Layer 2 source address will be the Layer 2 address of the next hop router.

The Layer 3 source address will be the Layer 3 address of the next hop router.

20

A technician is troubleshooting a loss of connectivity and suspects that an incorrectly configured ACL is the cause. Which commands can the technician use to verify that the ACL is incorrectly configured? (Choose two.)

show protocols

*show running-config

show ip route

*show access-lists

show ip interface

21

An administrator has been asked to explain ACLs to a trainee. What are some of the suggested uses for ACLs that the trainee should learn? (Choose three.)

*limit network traffic and increase performance

notify downstream devices in the event of increased traffic or congestion

determine whether interfaces are active or shutdown during peak usage

*provide traffic flow control

*provide a basic level of security for network access

open additional links when paths become saturated

22

A network administrator is writing a standard ACL that will deny any traffic from the 172.16.0.0/16 network, but permit all other traffic. Which of commands should be used? (Choose two.)

Router(config)# access-list 95 deny any

*Router(config)# access-list 95 deny 172.16.0.0 0.0.255.255

Router(config)# access-list 95 deny 172.16.0.0 255.255.0.0

*Router(config)# access-list 95 permit any

Router(config)# access-list 95 host 172.16.0.0

Router(config)# access-list 95 172.16.0.0 255.255.255.255

23

Once an ACL has been created, it must be applied in the proper location to have the desired effect. What rules should be observed when applying ACLs? (Choose two.)

Standard ACLs should be applied closest to the source.

*Outbound filters do not affect traffic that originates within the local router.

The inbound and outbound interface should be referenced as if looking from the outside of a router.

*Extended ACLs should be applied closest to the source.

Inbound ACLs only affect traffic that originates within the local router.

24

A technician is testing connectivity between two hosts. What command can be used to test application layer connectivity between the two hosts?

ping

traceroute

*telnet

ipconfig

25

In the process of training a new technician, the network administrator begins by teaching the trainee about Layer 1 problems that can interrupt network connectivity. Which three issues represent Layer 1 problems? (Choose three.)

*device turned off

incorrect IP address

improperly configured serial interface

no routing protocol enabled

*broken cable

*incorrectly wired cable

26

Refer to the exhibit. What command would produce this output?

debug

debug icmp

*debug ip icmp

debug icmp events

debug icmp transactions

27

The process of troubleshooting a network problem is accomplished by sequentially testing the OSI layers from the bottom upward. If the network cables and all connections have already been checked and the error still exists, what should be checked next?

*interface encapsulation and clockrate

routing protocol errors

incorrect subnet mask

transceiver problem

28

What two pieces of information can be obtained from the show ip route command? (Choose two.)

*the IP address of the gateway of last resort

the names of directly connected neighbors

the total number of routers on the internal network

*the routing protocols that are enabled

the physical and logical topology of the network

29

What is the purpose of the show cdp neighbors detail command? (Choose two.)

It displays information about interfaces on which CDP is enabled.

*It displays information about a specific neighbor.

It displays CDP updates on the remote device.

*It displays information about networks that are directly connected to the router.

It displays the CDP updates received by the neighboring device.

30

Refer to the exhibit. A network administrator is troubleshooting a routing issue on RTR-2. RTR-1 is connected to RTR-2 via serial 0/0 but all routes to RTR-1 are sent via RTR-3. Based on the output from the show ip protocols command on RTR-1, what could be the problem?

An inbound access list on serial 0/0 of RTR-1 is filtering routing updates.

The serial 0/0 interface has been configured with the passive-interface command.

*EIGRP has been configured with the passive-interface command on the serial 0/0 interface.

Automatic network summarization should have been configured for EIGRP.

An outbound access list on serial 0/0 of RTR-1 is filtering the routing updates.

31

An administrator is teaching a new technician about Layer 2 problems that can interrupt network connectivity. Which three problems are Layer 2 problems? (Choose three.)

incorrect subnet mask

device turned off

*improper encapsulation set

*NIC problems

incorrect routing protocol

*improper clockrate settings

32

What layer of the OSI model is being used when a technician is using the command ping to test connectivity between two hosts on different segments of a network?

physical

data link

*network

transport

application

33

A help desk technician is working with a customer to determine why a router does not use the configuration file stored in NVRAM when it boots. The technician suspects that the configuration register has been changed. What command should the technician tell the customer to use to determine the router register setting?

show flash

show startup-config

show running-config

*show version

show nvram