Network+ Final Quiz 9

A packet is assigned a value to ensure it does not traverse a network indefinitely. Which of the following BEST represents this value?

• Zero Trust

• Planned obsolescence

• Time to live

• Caching

Answer explanation

The BEST representation of the value assigned to a packet to prevent indefinite traversal is 'Time to live'. This value ensures packets are not circulated endlessly in a network.

Which of the following policies should be referenced when a user wants to access work email on a personal cell phone?

• Offboarding policy

• Acceptable use policy

• BYOD policy

• Remote access policy

Answer explanation

To access work email on a personal cell phone, the user should reference the BYOD policy which governs the use of personal devices for work purposes.

After a firewall replacement, some alarms and metrics related to network availability stopped updating on a monitoring system relying on SNMP. Which of the following should the network administrator do FIRST?

• Modify the device's MIB on the monitoring system.

• Configure syslog to send events to the monitoring system.

• Use port mirroring to redirect traffic to the monitoring system.

• Deploy SMB to transfer data to the monitoring system.

Answer explanation

To resolve SNMP-related issues after a firewall replacement, the network administrator should first modify the device's MIB on the monitoring system.

At the destination host, which of the following OSI model layers will discard a segment with a bad checksum in the UDP header?

• Network

• Data link

• Transport

• Session

Answer explanation

At the destination host, the UDP segment is processed at the Transport layer, where a segment with a bad checksum in the UDP header will be discarded.

A voice engineer is troubleshooting a phone issue. When a call is placed, the caller hears echoes of the receiver’s voice. Which of the following are the causes of this issue? (Choose two.)

• CRC errors

• QoS misconfiguration

• Protocol mismatch

• Jitter

• Speed mismatch

Answer explanation

The causes of the echo issue are QoS misconfiguration and Jitter. These factors can lead to the caller hearing echoes of the receiver's voice during a call.

Which of the following VPN configurations should be used to separate Internet and corporate traffic?

• Split-tunnel

• Remote desktop gateway

• Site-to-site

• Out-of-band management

Answer explanation

Split-tunnel VPN configuration should be used to separate Internet and corporate traffic by directing Internet traffic outside the VPN tunnel while corporate traffic goes through the tunnel.

Which of the following is required when connecting an endpoint device with an RJ45 port to a network device with an ST port?

• A media converter

• A bridge

• An MDIX

• A load balancer

Answer explanation

When connecting an endpoint device with an RJ45 port to a network device with an ST port, a media converter is required to convert the signal types between the two different ports.

The management team has instituted a 48-hour RTO as part of the disaster recovery plan. Which of the following procedures would meet the policy’s requirements?

• Recover all systems within 48 hours.

• Limit network downtime to a maximum of 48 hours per year.

• Recover all systems within 48 hours.

• Require 48 hours of system backup maintenance.

Answer explanation

The correct choice is to recover all systems within 48 hours, as it aligns with the 48-hour RTO policy set by the management team.

Which of the following cable types would MOST likely be used to provide high-speed network connectivity between nearby buildings?

• UTP

• Coaxial

• Fiber

• Cat 5

• Twinaxial

Answer explanation

Fiber optic cables would be most likely used for high-speed network connectivity between nearby buildings due to their ability to transmit data over long distances with minimal signal loss.

Which of the following is the physical security mechanism that would MOST likely be used to enter a secure site?

• A landing page

• An access control vestibule

• A smart locker

• A firewall

Answer explanation

An access control vestibule is the physical security mechanism that would MOST likely be used to enter a secure site, providing controlled access to authorized individuals.