2.5 Network Services

Question 1

A server is any computer that is running a ____

Answer 1

sharing program. Client/Server architecture - the client requests something and the server delivers it

Question 2

A Cyclic Redundancy Check (CRC) is ____

Answer 2

A data check to ensure the data in the frames was received in good order

Question 3

The connection between a computer and a switch is called a _____ and limited to a distance of ____ meters or less

Answer 3

Segment. 100.

Question 4

How do splitters(split a segment into two or more connections) affect signal quality in an ethernet switched network?

Answer 4

It will prevent the switch from recognizing which host is sending or receiving a signal and no host connected to a split segment will be able to communicate – negatively affecting signal quality

Question 5

Shielded Twisted Pair (STP) consists of twisted pairs of wires surrounded by shielding to protect them from _____ .

Answer 5

Electromagnetic interference (EMI). Pretty rare because theres not much need for it unless in areas with excessive electronic noise

Question 6

RJ-11 connects ______

Answer 6

your telephone to the telephone jack in the wall of your house. Primarily used for telephone based internet connections

Question 7

There are two standards for connecting the RJ-45 connector to the UTP cable.

Answer 7

568A and 568B. you do not have to follow any standard as long as you use the same pairings on each end of the cable

Question 8

Authentication Server is ____

Answer 8

a central repository of all the authentication credentials for your organization. Not usually on a home network

Question 9

SIEM (security information and event management) allows you to _____

Answer 9

consolidate logs from all the different network services into a single database. used by security team to look for real time alerts and threats over time. Forensic Analysis

Question 10

Standard Process for transferring log files to a SIEM is called ___

Answer 10

Syslog

Question 11

Unified Threat Management (UTM)

Answer 11

an all in one security appliance that enables IDS/IPS and other security features all in one device

Question 12

An endpoint management system allows _______ all from one device

Answer 12

Software installation. Driver installation. Software updates. Security Patches. Remote troubleshooting

Question 13

in an IPV6 address the first 64 bits is generally the _____ and the last 64 bits is generally the ______

Answer 13

Network prefix. Host network address