[2026] Cisco Introduction to Cisco Networking Technologies

문제1

Refer to the exhibit. If host A sends an IP packet to host B, what will the OSI Layer 3 source address be in the packet when it reaches host B?

A. C3:C3:C3:C3:C3:C3

B. 10.168.11.88

C. 10.168.11.65

D. B2:B2:B2:B2:B2:B2

E. 10.168.10.99

F. A1:A1:A1:A1:A1:A1

정답: E

문제2

DRAG DROP
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정답:

문제3

DRAG DROP
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정답:

문제4

A network administrator is connecting PC hosts A and B directly through their Ethernet interfaces as shown in the graphic. Ping attempts between the hosts are unsuccessful.
What can be done to provide connectivity between the hosts? (Choose two.)

A. The hosts must be reconfigured to use private IP addresses for direct connections of this type.

B. A rollover cable should be used in place of the straight-through cable

C. A crossover cable should be used in place of the straight-through cable.

D. The subnet masks should be set to 255.255.255.0.

E. The subnet masks should be set to 255.255.255.192.

F. A default gateway needs to be set on each host.

정답: C,D

문제5

A network associate needs to configure a router by connecting a remote computer to the router through the router auxiliary port. Which two statements describe the hardware required to make the connection to the router? (Choose two.)

A. The auxiliary port must be connected to an Ethernet LAN.

B. The technician needs an RJ-45 to DB25 adapter.

C. The technician needs an Ethernet transceiver.

D. The auxiliary port must be connected to a modem.

정답: B,D

문제6

This graphic shows some common router ports. Which port can be used for a WAN T1 connection?

A. Console

B. BRI

C. AUI

D. Serial 0

정답: D

문제7

A receiving host has failed to receive all of the segments that it should acknowledge. What can the host do to improve the reliability of this communication session?

A. obtain a new IP address from the DHCP server

B. decrease the sequence number

C. use a different source port for the session

D. decrease the window size

E. start a new session using UDP

정답: D

문제8

Refer to the graphic. What is the purpose of the two numbers shown following the exec- timeout command?

A. If connected to the router by Telnet, input must be detected within one minute and 55 seconds or the connection will be closed.

B. If no router activity has been detected in one hour and 55 minutes, the console will be locked out.

C. If no commands have been typed in 55 seconds, the console connection will be closed.

D. If connected to the router by Telnet, input must be detected within one hour and 55 seconds or the connection will be closed.

E. If no commands have been typed in one minute and 55 seconds, the console connection will be closed.

정답: E

문제9

Host A needs to communicate with the email server shown in the graphic. What address will be placed in the destination address field of the frame when it leaves Host A?

A. the MAC address of Switch 2

B. the MAC address of E0 of the router

C. the MAC address of the email server

D. the MAC address of Host A

E. the MAC address of Switch 1

F. the MAC address of E1 of the router

정답: B

문제10

The Hub and Spoke routers are directly connected through their serial interfaces for purposes of testing. Based on the output shown in the exhibit, what must be done to make the serial line operational?

A. Replace the broken cable between the two devices.

B. Start the clock on the Hub router.

C. Change the IP address on the Spoke router.

D. Use the no shutdown command on the Hub router.

E. Configure the serial 0/0 interface on the Spoke router with a clockrate.

정답: E

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