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Q:

What command is the Windows version of the Cisco command that displays the networks traversed on a path to a network destination?

A) ping B) traceroute
C) arp D) tracert
 
Answer & Explanation Answer: D) tracert

Explanation:

tracert is the Windows version of the Cisco command that displays the networks traversed on a path to a network destination.

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Q:

Which of the following is a result of route aggregation?

A) Smaller routing tables B) More complete routing tables
C) Increased memory usage D) Increased CPU usage
 
Answer & Explanation Answer: A) Smaller routing tables

Explanation:

Route aggregation results in smaller routing tables.

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Q:

What switch must be added to the ipconfig command on a PC to verify DNS configuration?

A) /dns B) -dns
C) /all D) -all
 
Answer & Explanation Answer: C) /all

Explanation:

The /all switch must be added to the ipconfig command on a PC to verify DNS configuration.

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Q:

What network service is the most likely problem if you can ping a computer by IP address but not by name?

A) DNS B) DHCP
C) ARP D) ICMP
 
Answer & Explanation Answer: A) DNS

Explanation:

 The most likely problem if you can ping a computer by IP address but not by name is a failure of DNS.

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Q:

To use VLSM, what capability must the routing protocols in use possess?

A) Support for multicast B) Multi-protocol support
C) Transmission of subnet mask information D) Support for unequal load balancing
 
Answer & Explanation Answer: C) Transmission of subnet mask information

Explanation:

To use VLSM, the routing protocols in use possess the capability to transmit subnet mask information.

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Q:

The network address used to advertise a summary address is always which of the following?

A) The last network address in the block B) The next to last network in the block
C) The second network in the block D) The first network in the block
 
Answer & Explanation Answer: D) The first network in the block

Explanation:

The network address used to advertise a summary address is always the first network in the block

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Q:

What is the subnet for host ID 10.16.3.65/23?

Answer

A/23 is 255.255.254.0. The third octet is a block size of 2.0, 2, 4. The subnet is in the 16.2.0 subnet; the broadcast address is 16.3.255

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Q:

You have a Class B network and need 29 subnets. What is your mask?

Answer

A default Class B is 255.255.0.0. A Class B 255.255.255.0 mask is 256 subnets, each with 254 hosts. We need fewer subnets. If we used 255.255.240. 0, this provides 16 subnets. Let's add one more subnet bit. 255.255.248.0. This is 5 bits of subnetting, which provides 32 subnets. This is our best answer A/21

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Subject: CCNA