Domain 3 Network Operations

Front

Why should performance baselines be captured over a long period of time?

Back

To define normal operations and activity, To define a historical representation of activity, To help validate when a problem is solved.

Answer explanation

Performance baselines gathered over time help create a historical representation of activity and normal operations. When a server is performing poorly, the baseline can validate both the problem and the implemented solution.

Front

What must be loaded before you can capture data from network devices via SNMP? Options: OID, MIB, Traps, Gets

Back

MIB

Answer explanation

Before an NMS can collect SNMP statistics, the management information base (MIB) from the manufacturer must be loaded.

Front

Which environmental factor can cause the potential for electrostatic discharge? Temperature, Electrical, Humidity, Flooding

Back

Humidity

Answer explanation

When humidity falls below 20 percent, there is a huge potential for electrostatic discharge (ESD).

Front

Which interface counter will increment if a host is sending a frame size 9000 bytes and the default MTU is configured on the interface?

Back

Giants

Answer explanation

The giants interface counter will increment when jumbo frames (9000 bytes) are received on an interface configured with the maximum transmission unit (MTU) of 1500

Front

Which version of SNMP offers authentication and encryption?

Back

SNMP v3

Answer explanation

SNMP version 3 introduced message integrity, authentication and encryption to the SNMP suite.

Front

Which component is responsible for visually representing data from NetFlow? Options: NetFlow collector, NetFlow cache, NetFlow packet, NetFlow router

Back

NetFlow collector

Answer explanation

The collector is responsible for collecting NetFlow statistics and collating them into a visual representation of the traffic.

Front

What is the component that an SNMP agent sends information to?

Back

Network management station

Answer explanation

The Network management station (NMS) is a server to which SNMP is polled back or in which SNMP information is trapped.

Front

Which metric is the variation from another measurement between the source and destination?

Back

Jitter

Answer explanation

Jitter is the variation of latency between the source and destination and is measured in milliseconds.

Front

What type of diagram is depicted in the attached image?

Back

Logical diagram

Answer explanation

A logical diagram depicts how a network operates by representing the flow of information.

Front

Which document would you create to detail step-by-step instructions to decommission a server from your network?

Back

SOP document

Answer explanation

The standard operating procedure (SOP) document details the step-by-step instructions necessary to decommission a server.