Network Operations practice test

Which of the following is a record type used by a DNS server?

All of these answers are correct.

The diagram provided depicts which type of DNS lookup?

recursive

Eve is looking for a network monitoring tool that can be used to gather data on her network’s performance, which can then be used to identify anomalies in the network’s performance. What tool could she use?

SNMP

Ashton has just been hired as a network engineer for a large enterprise. His first task is to audit the physical networking devices in the data center to verify that they are correctly labeled and positioned. What diagram would he most likely use to assist in the auditing process?

rack diagram

Which type of alternate physical site used for disaster recovery is the most cost effective but is also the slowest to reach functionality?

cold site

A(n) ____ configuration for redundancy is one in which both the primary and the secondary system are on simultaneously.

active-active

Given the following information, complete the computation for MTBF:

total run time per day: 10 hours
total days run: 30
number of failures in time period: 5

60 hr

Identify the type of documentation depicted in the provided image

physical diagram

A network technician has just installed a new switch in a data center and needs to create documentation depicting which type of wiring medium was used as well as termination port locations. Which type of diagram would he most likely create?

cable map

A(n) ____ may include both hardware and software components and their associated details.

asset inventory

A small business is outsourcing their cybersecurity to a third party. To protect the small business’s interests and to ensure that the third party can be held accountable to a baseline level of service, which type of document should be created?

SLA

A company’s employees have been reporting dropped wireless connections in some portions of a newly renovated building. Which tool could be used to identify the locations of weak wireless signals in the building?

heat map or site survey

A network component has reached ____ when the manufacturing vendor no longer releases new patches or updates for a component.

EOS

Daniel is installing updates on the software that controls a networking device’s underlying hardware components. What is Daniel updating?

firmware

Which of the following can be a task in the decommissioning process?

All of these answers are correct.

A company has implemented a change that has severely affected normal operations. Which portion of a change management plan would be most useful in addressing this problem?

rollback plan

Which type of configuration corresponds with optimal performance of a network in a live environment?

production

Most commonly used with SNMP, the ____ is where networking device configurations and management information is stored.

MIB

Which version of SNMP only supports 32-bit counters?

SNMPv1

Kaylee needs to view all information contained in a packet at the granular level. Which tool would best suit her needs?

packet capture or Wireshark

A SPAN port is commonly used to receive captured data from which network analysis feature?

port mirroring

A network technician suspects an unauthorized connection has been made to an internal network. The technician needs to view all devices and systems currently connected to the network. Which type of network scan would best provide this information?

ad hoc network discovery

Which of the following metrics can be used for performance monitoring?

All of these answers are correct.

Availability monitoring provides data related to the accessibility of a network as measured by which metrics?

uptime and downtime

A large enterprise is in the process of creating a new DR site, which must be fully operational and ready for immediate use at all times. Which type of DR site would best suit the enterprise’s needs?

hot site