Network Management

Question 1

Physical Network Diagram

Answer 1

Shows the actual physical arrangement of the components that make up
the network

Question 2

Logical Network Diagram

Answer 2

Illustrates the flow of data across a network and shows how devices
communicate with each other

Question 3

Wiring Diagram

Answer 3

Labels which cables are connected to which ports

Question 4

Radio Frequency (Wireless) Site Survey

Answer 4

Planning and designing a wireless network to deliver the required
wireless solution

Question 5

Wired Site Survey

Answer 5

Determines if a site has the right amount of power, space, and cooling to
support a new upgrade or installation

Question 6

Audit and Assessment Report

Answer 6

Delivered after a formal assessment has been conductedo Executive summary
o Scope and objectives
o Assumptions and limitations
o Methods and tools
o Environment and system diagram
o Security requirements
o Findings and recommendations
o Audit results

Question 7

Baseline Configurations

Answer 7

▪ Set of specifications for an information system, or a configuration item
within a system, that has been formally reviewed and agreed on
▪ Changes will be properly tested and approved to be part of the new
baseline

Question 8

Network Performance Monitoring

Answer 8

Monitors the performance from the end user’s workstation to the final
destination they are trying to reach
Ensure that your network is using QoS properly

Question 9

Sensors

Answer 9

Monitors a device’s temperature, CPU usage, and memory, which could indicate
if it is operating properly or is about to

Question 10

Major Temperature Threshold

Answer 10

Used to set off an alarm when temperature reaches dangerous
conditions
5-40% CPU utilization
o Misconfigured network
o Network under attack
40%
o Normal conditions
60-70%
o Busier times
Layer 3 80%
o Peak times

Question 11

Full Packet Capture

Answer 11

capture the entire packet, including the header

and the payload for all traffic entering and leaving a network

Question 12

Flow Analysis

Answer 12

▪ Relies on a flow collector to record the metadata and statistics about
network traffic rather than recording each frame
▪ Highlights trends and patterns

Question 13

NetFlow

Answer 13

▪ Defines a particular traffic flow based on the different packets that share
the same characteristics
● Protocol interface
● IP version/type
● Source/destination IP
● Source/destination port
● IP service type

Question 14

Link State

Answer 14

▪ Communicates whether a given interface has a cable connected to it and a valid protocol to use for communication (up/down)

Question 15

Drop

Answer 15

▪ Used to count the number of packets that have been dropped

Question 16

Runt

Answer 16

An Ethernet frame that is less than 64 bytes in size

Question 17

Giant

Answer 17

Any Ethernet frame that exceeds the 802.3 frame size of 1518 bytes

Question 18

CRC

Answer 18

Number of packets received that failed the cyclic redundancy checksum,
or CRC check upon receipt

Question 19

Environmental monitoring

Answer 19

Network devices operate between 50 and 90 oF

Maintain a humidity range of 40-60%