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Tom works as a network administrator .Study the exhibit carefully, Tom is resolving a connectivity problem on the serial interfaces. It is known that the serial interface is up and line protocol is down based on the output from the show interfaces command on both routers. Which will be the reason of this problem according to the partial output for the show running-config in the exhibit?

A. The serial cable is bad.
B. The MTU is incorrectly configured.
C. The Layer 2 framing is misconfigured.
D. The IP addresses are not in the same subnet.

Correct Answer: C
Jim works as a network administrator for certways Ltd. According to the exhibit below, after configuring two interfaces on the P4S-HQ router, Jim discovers an error message. How to fix this error?

A. The subnet mask of the serial interface should be changed to
B. The serial interface must be configured first.
C. The serial interface must use the address
D. The subnet mask of the FastEthernet interface should be changed to

Correct Answer: D
What will happen when computers on a private network try to connect to the Internet via a Cisco router running PAT?
A. The router uses the same IP address but a different TCP source port number for each connection.
B. The router assigns a unique IP address from a pool of legally registered addresses for the duration of the connection.
C. An IP address is assigned based on the priority of the computer requesting the connection.
D. The router selects an address from a pool of one-to-one address mappings held in the lookup table.

Correct Answer: A
What source and destination information can you find in the data link layer?
A. port number
C. IP address
D. MAC address
Correct Answer: D
The global configuration mode on a Cisco router is identified by which prompt?
A. router>
B. router#
C. router(config)#
D. router(config-if)#
Correct Answer: C
How many simultaneous Telnet sessions will be supported by a Cisco router by default?
A. 2
B. 3
C. 4
D. 5

Correct Answer: D
You are a network technician at P4S, study the exhibit carefully. Host P4S-A has created a communication session with host P4S-B for the first time. What enabled P4S-R1 to transmit this traffic in the correct direction to reach the network to which host P4S-B is attached?

B. a Layer 4 protocol
D. a routing protocol

Correct Answer: D
Which description is correct about the operational state of the FastEthernet 0/0 interface on the basis of the exhibit below?

A. The interface is generating protocol errors.
B. The interface has failed because of a media error.
C. The interface is operational and currently handling traffic.
D. The interface requires a no shutdown command to be issued.

Correct Answer: C
Two certways routers are connected as shown below:
certways1 configuration exhibit:
certways2 configuration exhibit:
Two routers named certways1 and certways2 are connected by their serial interfaces as shown in the
exhibit, but there is no data connectivity between them. The certways1 router is known to have a correct
configuration. Given the partial configurations shown in the exhibit, what is the problem on the certways2
router that is causing the lack of connectivity?

A. A loopback is not set.
B. The IP address is incorrect.
C. The subnet mask is incorrect.
D. The serial line encapsulations are incompatible.

Correct Answer: B
According to the exhibit below. Information about P4S-RA, including platform and IP addresses, should not be accessible from the Internet due to security reasons. However, this information needs to be accessible to devices on the internal networks of P4S-RA. Which command or series of commands will achieve these goals?

A. P4S-RA(config)#no cdp enable
B. P4S-RA(config)#interface s0/0 P4S-RA(config-if)#no cdp run
C. P4S-RA(config)#no cdp run
D. P4S-RA(config)#interface s0/0 P4S-RA(config-if)#no cdp enable

Correct Answer: D
Which will be the result of adding this command to a router already configured for dynamic routing? ip route
A. It configures the router to block routing updates from being sent to IP address
B. It configures the router to drop all packets for which the destination network is unknown.
C. It configures the router as a firewall, blocking all packets from IP address
D. It configures the router to send all packets to IP address if the packets match no other entry in the routing table.
Correct Answer: D
Look at the picture: A.


Correct Answer:
You are a network technician for certways Ltd. Study the graphic carefully, you are tasked to connect a Cisco router to a Catalyst switch as displayed and you are also working on a computer connected to the management console of the switch. In order to configure the default gateway for the switch, you should learn the IP address of the attached router interface. Which IOS command will provide this information in the absence of Layer 3 connectivity?

A. ping switch_ip_address
B. show ip rarp
C. ping router_ip_address
D. show cdp neighbors detail

Correct Answer: D
Which command would configure a default route to any destination network not found in the routing table?
A. P4S-R(config)# ip route s0
B. P4S-R(config)# ip default-route s0
C. P4S-R(config)# ip default-route s0
D. P4S-R(config)# ip route s0

Correct Answer: D
According to the exhibit below. P4S-PC1 pings P4S-PC2. Which three things will P4S-CORE router do with the data received from P4S-PC1? (Choose three.)

A. The data frames will be forwarded out interface FastEthernet0/1 of P4S-CORE router.
B. The data frames will be forwarded out interface FastEthernet1/0 of P4S-CORE router
C. P4S-CORE router will place the MAC address of P4S-PC2 in the destination MAC address of the frames.
D. P4S-CORE router will put the MAC address of the forwarding FastEthernet interface in the place of the source MAC address.

Correct Answer: BCD
The command ip route 20 was performed on a router. No
routing protocols or other static routes are configured on the router.
Which statement
best describes this command?

A. The interface with IP address is on this router.
B. The command sets a gateway of last resort for the router.
C. Packets that are destined for host will be sent to
D. The number 20 indicates the number of hops to the destination network.

Correct Answer: C

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