Chapter 6: Network Layer Flashcards Preview

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Flashcards in Chapter 6: Network Layer Deck (11):
1

What is the routing table C, L, S, D, O, R?
6.2.2.3

C - Identifies a directly CONNECTED network

L - Identifies a LINK LOCAL route

S - Identifies a STATIC route.

D - Identifies a EIGRP DYNAMIC route

O - OSPF dynamic route

R - RIP dynamic route

2

What is the command line to output routing tables?

route print
netstat -r

3

What is the Default route for IPv4?

0.0.0.0

4

What is the Default route for IPv6?

::0

5

What is the packet header for IPv4?
6.1.3.1

IP Header - Identifies the packet characteristics

6

In a packet header what does VERSION mean?
6.1.3.1

VERSION - Contains a 4-bit binary value identifying the IP packet version. For IPv4 packets, this field is always set to 0100.

7

In a packet header what does DIFFERENTIATED Services (DS) mean?
6.1.3.1

DIFFERENTIATED Services (DS) - Formerly called the Type of Service (ToS) field, the DS field is an 8-bit field used to determine the priority of each packet.

8

In a packet header what does Time-to-Live (TTL) mean?
6.1.3.1

Time-to-Live (TTL) - Contains an 8-bit binary value that is used to limit the lifetime of a packet. It is specified in seconds but is commonly referred to as hop count.

9

In a packet header what does PROTOCOL mean?
6.1.3.1

PROTOCOL - This 8-bit binary value indicates the data payload type that the packet is carrying, which enables the network layer to pass the data to the appropriate upper-layer protocol.

10

In a packet header what does SOURCE IP mean?
6.1.3.1

Source IP Address - Contains a 32-bit binary value that represents the source IP address of the packet.

11

In a packet header what does DESTINATION IP mean?
6.1.3.1

Destination IP Address - Contains a 32-bit binary value that represents the destination IP address of the packet.