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A network administrator determines that some switch ports have more errors present than expected. The administrator traces the cabling associated with these ports. Which of the following would most likely be causing the errors?

A.

arp

B.

tracert

C.

nmap

D.

ipconfig

An administrator needs to configure an IoT device with a /21 subnet mask, but the device will only accept dotted decimal notation. Which of the following subnet masks should the administrator use?

A.

255.255.224.0

B.

255.255.240.0

C.

255.255.248.0

D.

255.255.252.0

A network engineer needs to deploy an access point at a remote office so that it will not communicate back to the wireless LAN controller. Which of the following deployment methods must the engineer use to accomplish this task?

A.

Lightweight

B.

Autonomous

C.

Mesh

D.

Ad hoc

A network administrator needs to connect two routers in a point-to-point configuration and conserve IP space. Which of the following subnets should the administrator use?

A.

724

B.

/26

C.

/28

D.

/30

A network engineer is configuring network ports in a public office. To increase security, the engineer wants the ports to allow network connections only after authentication. Which of the following security features should the engineer use?

A.

Port security

B.

802.1X

C.

MAC filtering

D.

Access control list

A network administrator receives complaints of intermittent network connectivity issues. The administrator investigates and finds that the network design contains potential loop scenarios. Which of the following should the administrator do?

A.

Enable spanning tree

B.

Configure port security

C.

Change switchport speed limits

D.

Enforce 802.1Q tagging

Which of the following devices functions mainly at the data link layer of the OSI model and is used to connect a fiber-optic cable to a network interface?

A.

SC

B.

DAC

C.

SFP transceiver

D.

Twinaxial cable

A network engineer is setting up a new VoIP network for a customer. The current network is segmented only for computers and servers. No additional switchports can be used in the new network. Which of the following does the engineer need to do to configure the network correctly? (Select two).

A.

Change network translation definitions

B.

Enable 802.1Q

C.

Implement a routing protocol

D.

Set up voice VLANs

E.

Reconfigure the DNS

F.

Place devices in the perimeter network

A junior network administrator is auditing the company network and notices incrementing input errors on a long-range microwave interface. Which of the following is the most likely reason for the errors?

A.

The parabolic signal is misaligned.

B.

The omnidirectional signal is being jammed.

C.

The omnidirectional signal is not strong enough to receive properly.

D.

The parabolic signal uses improper routing protocols.

Which of the following uses the longest prefix match to determine an exit interface?

A.

ARP table

B.

MAC address table

C.

Routing table

D.

Netstat table