Which address is the loopback address?

Which of the following TCP/IP addresses constitute the loopback address?

A

1.1.1.1

B

255.255.255.255

C

127.0.0.0

D

127.0.0.1

Which of the following TCP/IP adress constitute the loopback address?

A

1.1.1.1

B

255.255.2555.255

C

127.0.0.0

D

127.0.0.1

When you ping the loopback address, a packet is sent where?

A

On the network

B

Down through the layers of the IP architecture and then up the layers again

C

Across the wire

D

through the loopback dongle

E

None of the above

When using the loopback address, if TCP/IP is installed correctly, when should you receive a response?

A

Immediately

B

Only if the address fails

C

After the next host comes online

D

Within two minutes

E

None of the above

What is the loopback address?

A

127.0.0.1

B

255.0.0.0

C

255.255.0.0

D

255.255.255.255.0

E

None of the above

If routers in a single area are configured with the same priority value, what value does a router use for the OSPF Router ID in the absence of a loopback interface?

A

The Lowest IP address of any physical interface

B

The Highest IP address of any physical interface

C

The Lowest IP address of any logical interface

D

The Highest IP address of any logical interface

If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?

A

Discard it and send an error message back to the originating host

B

Flood the network with the frame

C

Add the source address and port to the MAC address table and forward the frame out the destination port

D

Add the destination to the MAC address table and then forward the frame

Which of the following specifies the network address and host address of the computer?

A

The IP address

B

The TCP address

C

The subnet mask

D

The default gateway

E

None of the above

How can you see the address of the DHCP server from which a client received its IP address?

A

By using Advanced Properties of TCP/IP

B

By using IPCONFIG/ALL

C

By using DHCPINFO

D

By pinging DHCP

E

None of the above

Which of the following digits are known as the sub-address digits (for use by the user) of the Network User Address (NUA)?

A

05-Jul

B

01-Apr

C

08-Dec

D

13-14

E

None of the above

Which address is the loopback address?

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