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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0 2379
Q:

What is the 127.0.0.1 address used for?

Answer

Loop back or diagnostics

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0 2308
Q:

Convert the following from binary format to hexadecimal

11001010.11110101.10000011.11101011

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0 2295
Q:

What is the Class B private IP address space?

Answer

172.16.0.0 through 172.31.255.255

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0 2244
Q:

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

Answer

copy flash tftp

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0 2237
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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0 2233
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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1 2215
Q:

Describe the functions of DNS and DHCP in the network?

Answer

Dynamic Host Configuration protocol (DHCP) provides network configuration information (including IP address) to hosts, eliminating the need to perform the configurations manually.


Domain Name Service  (DNS)resolves hostnames - both internet names such as www.routersim.com and device names such as workstation 2 to IP addresses, eliminating the need to know the IP address of a device for connection purposes.

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0 2214