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Q:

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You are the administrator of network X. You decided to implement RIP in the following topology (click exhibit). You do not want R3 to receive RIP updates. What configuration changes need to be implemented?

A) Implement a passive-interface on R1 B) Nothing needs to be configured
C) Create a sub-interface on R1 D) Change the routing protocol to OSPF
 
Answer & Explanation Answer: A) Implement a passive-interface on R1

Explanation:

Explanation: To block RIP broadcasts on an interface connected to a subnet of a RIP-enabled network add the passive-interface command to the RIP Process

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Q:

Given the following network range 192.168.0.0/24. We want minimum 50 hosts on each of the available subnets. What will be the subnet mask?

A) /24 B) /25
C) /26 D) /27
 
Answer & Explanation Answer: C) /26

Explanation:

Explanation: 50 hosts require 6 bits of the last octet giving us 64 -2 = 62 possible hosts this satisfies our requirement and leaves us 2 bits over for the subnets. The default mask is /24 or 255.255.255.0 adding the 2 bits for the subnets it becomes 255.255.255.192 or /26

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Q:

As a network administrator we want to make it easy to assign IP addresses to hosts. What protocol do we use?

A) DNS B) DHCP
C) HSRP D) NTP
 
Answer & Explanation Answer: B) DHCP

Explanation:

Explanation: DHCP, as described by RFC 1541, or Dynamic Host Configuration Protocol is used for dynamically assigning network addresses and host specific configuration parameters.

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Q:

What is the meaning of amber SYST led on a 2960 switch?

A) This is normal operation B) There is a bridging loop
C) The switch IOS is loading D) The switch failed its POST
 
Answer & Explanation Answer: D) The switch failed its POST

Explanation:

Explanation: When the switch failed its POST, Power-On Self Test, the SYST led will turn amber and the IOS did not load

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Q:

What command will change the hostname of a router?

A) router#host name new name B) router(config-router)#hostname new name
C) router>host name new name D) router(config)#hostname new name
 
Answer & Explanation Answer: D) router(config)#hostname new name

Explanation:

Explanation: To specify or modify the host name for the network server, use the hostname command in global configuration mode.

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Q:

What type of cable is shown in the exhibit?

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A) AEIA/TIA-232 B) EIA-530
C) X.21 D) V.35
 
Answer & Explanation Answer: D) V.35

Explanation:
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Q:

Which of the following symbols indicate that a ping was successful?

A) ! B) .
C) ? D) U
 
Answer & Explanation Answer: A) !

Explanation:

Explanation: The following table explains the output generated by ping:

! – reply received

. – timed out

U – unreachable

C – congestion

? – unknown packet type

& packet lifetime exceeded

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Q:

What do you use when you want to display a message to all the terminals connected to a router?

A) banner login B) banner motd
C) banner exec D) banner slip-ppp
 
Answer & Explanation Answer: B) banner motd

Explanation:

Explanation: This MOTD banner is displayed to all terminals connected and is useful for sending messages that affect all users (such as impending system shutdowns). Use the no exec-banner or no motd-banner command to disable the MOTD banner on a line. The no exec-banner command also disables the EXEC banner on the line. When a user connects to the router, the MOTD banner appears before the login prompt. After the user logs in to the router, the EXEC banner or incoming banner will be displayed, depending on the type of connection. For a reverse Telnet login, the incoming banner will be displayed. For all other connections, the router will display the EXEC banner. Connection, Menu, and System Banner Commands

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