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 CCNA Questions

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Q:

Which layer ensures the trustworthly transmission of data across a physical link and is primarily concerned with physical addressing, line discipline, network topology, error notification, ordered delivery of frames, and flow control?

Answer

PDUs at the data link layer are called frames and provide physical addressing, plus other options to place packets on the network medium.

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Subject: CCNA

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Q:

What is the Class B private IP address space?

Answer

172.16.0.0 through 172.31.255.255

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Subject: CCNA

0 1953
Q:

What is the command to copy a Cisco IOS to a TFTP server?

Answer

copy flash tftp

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Subject: CCNA

0 1931
Q:

When is redistribution required for EIGRP?

Answer

Redistribution is required when more than one EIGRP session or process is running and they are identified with different ASNs. Redistribution shares topology information between EIGRP sessions.

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Subject: CCNA

0 1930
Q:

Which commands loads a new version of the Cisco IOS into a router?

A) copy flash ftp B) copy ftp flash
C) copy flash tftp D) copy tftp flash
 
Answer & Explanation Answer: D) copy tftp flash

Explanation:

The command copy tftp flash will allow you to copy a new IOS into flash memory on your router.

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Filed Under: CCNA

0 1920
Q:

Differentiate types of Ethernet cabling and identify their proper application?

Answer

The three types of cables that can be created from an Ethernet cable are straight-through (to connect a PC's or a router's Ethernet interface to a hub or switch), crossover (to connect hub to hub , hub to switch, switch to switch, or PC to PC), and rolled (for a console conection from a PC to a router or switch).

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Subject: CCNA

1 1893
Q:

Convert the following from binary format to hexadecimal

11001010.11110101.10000011.11101011

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Subject: CCNA

0 1892
Q:

Differentiate a MAC address and an IP address and describe how and when each address type is used in a network?

Answer

A MAC address is a hexadecimal number identifying the physical connection of a host. MAC addresses are said to operate on layer 2 of the OSI model. IP addresses, which can be expressed in binary or decimal format, are logical identifiers that are said to be on layer 3 of the OSI model. Hosts on the same physical segment locate one another with MAC addresses, while IP addresses are used when they reside on different LAN segments or subnets. Even when the hosts are in different subnets , a destination IP address will be converted to a MAC address when the packet reaches the destination network via routing.

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Subject: CCNA

1 1866