Ch. 18 Configuring And Verifying Host Conmectivity Flashcards Preview

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Flashcards in Ch. 18 Configuring And Verifying Host Conmectivity Deck (15):
0

DHCP

Dynamic host configuration protocol

1

____ is one of the most commonly used protocols in a TCP/IP network

DHCP

2

DORA

Discover
Offer
Request
Acknowledgement

3

A _____ relay changes the IP addresses in the packet header

DHCP

4

GUI

Graphical user interface

5

The ____ command exists to test connectivity

Ping

6

ICMP

Internet control message protocol

7

The cisco iOS ____ command sends five echo messages, with a timeout of 2 seconds. If the command does not receive an echo reply within two seconds the command considers that message to be a failure and it sends the next one.

Ping

8

The ____ command systematically helps pinpoint problems by showing how far a packet goes through an IP network before being discarded

Traceroute

9

TTL exceeded

Time to live exceeded

10

The ___ counts down to zero once per hop, when the count reaches zero it is considered to be a looping packet and it is discarded

TTL (time to live)

11

ACL

Access control lists

12

The _____ feature (one of the most important in Cisco IOS) allows a telnet or SSH connection to remain active while creating another telnet or SSH connection, so that you can make concurrent connections and easily switch between them

Suspend

13

The ____ command can be used to restore a telnet or SSH connection

Resume

14

Review questions

Pg 459