Ensurepass

QUESTION 51

Which of the following can Joe, a technician, modify on an 802.11n router that is not available as an option on 802.11g device?

 

A.      SSID

B.      Encryption

C.      Channels

D.      Spectrum

 

Correct Answer: D

 

 

 

QUESTION 52

Karen, a technician, needs to test if domain name resolution is functioning properly. Which of the following software tools would she use to accomplish this? (Select TWO).

 

A.      arp

B.      dig

C.      route

D.      nslookup

E.       netstat

 

Correct Answer: BD

 

 

QUESTION 53

VoIP is being implemented throughout a company and Joe, the network technician, needs to ensure that data and voice traffic do not interfere with each other. Which of the following features should be configured on a layer 3 switch to prioritize traffic for VoIP?

 

A.      VLAN

B.      VTP

C.      Port security

D.      QoS

 

Correct Answer: D

 

 

QUESTION 54

Sandy, a technician, is fixing a wireless network that was receiving interference from a user’s cordless phone. Which of the following should Sandy configure?

 

A.      Channel

B.      Encryption

C.      SSID

D.      DHCP scope

 

Correct Answer: A

 

 

QUESTION 55

Joe, an end user, has plugged in both ends of the same network cable to two adjacent jacks. Both ports are connected to the same switch in the IDF. Which of the following will MOST likely happen?

 

A.      VLAN malfunction

B.      Broadcast storm

C.      Quality of Service loss

D.      Duplicate IP addresses

 

Correct Answer: B

 

 

QUESTION 56

Which of the following security threats relies primarily on user deception and misinformation?

 

A.      Rogue access points

B.      DoS attacks

C.      Man-in-the-middle attacks

D.      Phishing

 

Correct Answer: D

 

 

QUESTION 57

Which of the following protocols would Kurt, a technician, use to synchronize local date and time of a client workstation to that of a server?

 

A.      RTP

B.      NTP

C.      TFTP

D.      ARP

 

Correct Answer: B

 

 

QUESTION 58

A small office has asked to have six PCs networked together by Joe, a consultant. The office users want file sharing capability with no access to the Internet. Which of the following items will Joe need? (Select TWO).

 

A.      Network bridge

B.      RG-59 patch cabling

C.      CAT5e patch cabling

D.      Firewall

E.       Switch

 

Correct Answer: CE

 

 

QUESTION 59

Which of the following has a DB-9 connector?

 

A.      SC

B.      RS-232

C.      LC

D.      RJ-45

 

Correct Answer: B

 

 

QUESTION 60

Which of the following services would Karen, a technician, use to create or update a client’s DNS ‘A’ and ‘PTR’ records automatically?

 

A.      Kerberos

B.      BIND

C.      WINS

D.      DHCP

 

Correct Answer: D

 

 

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