Ensurepass

 

QUESTION 101

A network technician must utilize multimode fiber to uplink a new networking device. Which of the following Ethernet standards could the technician utilize? (Select TWO).

 

A.

1000Base-LR

B.

1000Base-SR

C.

1000Base-T

D.

10GBase-LR

E.

10GBase-SR

F.

10GBase-T

 

Correct Answer: BE

 

 

QUESTION 102

A network administrator is using a packet analyzer to determine an issue on the local LAN. Two separate computers are showing an error message on the screen and are unable to communicate with other computers in the same lab. The network administrator looks at the following output:

 

SRC MAC SRC IP DST MAC DST IP

 

00:1D:1F:AB:10:7D 192.168.1.10:2000 15:BE:9F:AB:10:1D 192.168.1.14:1200

 

05:DD:1F:AB:10:27 192.168.1.10:1000 22:C7:2F:AB:10:A2 192.168.1.15:1300

 

Given that all the computers in the lab are directly connected to the same switch, and are not using any virtualization technology, at which of the following layers of the OSI model is the problem occurring?

 

A.

Network

B.

Application

C.

Data link

D.

Transport

 

Correct Answer: A

 

 

 

QUESTION 103

Which of the following requires the network administrator to schedule a maintenance window?

 

A.

When a company-wide email notification must be sent.

B.

A minor release up
grade of a production router.

C.

When the network administrator’s laptop must be rebooted.

D.

A major release upgrade of a core switch in a test lab.

 

Correct Answer: B

 

 

QUESTION 104

Which of the following is true about the main difference between a web session that uses port 80 and one that uses port 443?

 

A.

Port 80 web sessions often use application-level encryption, while port 443 sessions often use transport-level encryption.

B.

Port 80 web session cannot use encryption, while port 443 sessions are encrypted using web certificates.

C.

Port 80 web sessions can use web application proxies, while port 443 sessions cannot traverse web application proxies.

D.

Port 80 web sessions are prone to man-in-the-middle attacks, while port 443 sessions are immune from man-in-the-middle attacks.

 

Correct Answer: A

 

 

QUESTION 105

The management team wants to set up a wireless network in their office but all of their phones operate at the 2.4 GHz frequency. They need a wireless network that would be able to operate at a higher frequency than their phones. Which of following standards should be used?

 

A.

802.11a

B.

802.11b

C.

802.11g

D.

802.1x

 

Correct Answer: A

 

 

QUESTION 106

Which of the following will negotiate standoff timers to allow multiple devices to communicate on congested network segments?

 

A.

CSMA/CD

B.

OSPF

C.

DOCSIS

D.

BGP

 

Correct Answer: A

 

 

 

QUESTION 107

A service provider is unable to maintain connectivity to several remote sites at predetermined speeds. The service provider could be in violation of the:

 

A.

MLA.

B.

SLA.

C.

SOW.

D.

MOU.

 

Correct Answer: B

 

 

QUESTION 108

A network administrator has created a virtual machine in the cloud. The technician would like to connect to the server remotely using RDP. Which of the following default ports needs to be opened?

 

A.

445

B.

3389

C.

5004

D.

5060

 

Correct Answer: B

 

 

QUESTION 109

Which of the following is an example of an IPv4 address?

 

A.

192:168:1:55

B.

192.168.1.254

C.

00:AB:FA:B1:07:34

D.

::1

 

Correct Answer: B

 

 

QUESTION 110

Which of the following does a network technician need to implement if a change is unsuccessful within the approved maintenance window?

 

A.

Configuration procedures

B.

Stakeholder notification

C.

Impact analysis

D.

Rollback procedure

 

Correct Answer: D

 

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