Which of the following is a form of encrypting packets for safe, secure data transmission within a network?


A.      RAS

B.      PPTP

C.      IPSec

D.      ICA


Correct Answer: C




A company has only three laptops that connect to their wireless network. The company is currently using WEP encryption on their wireless network. They have noticed unauthorized connections on their WAP and want to secure their wireless connection to prevent this. Which of the following security measures would BEST secure their wireless network? (Select TWO).


A.      Change the encryption method to WPA

B.      Limit the DHCP scope to only have three addresses total

C.      Enable the SSID broadcast

D.      Enable and configure MAC filtering

E.       Change the broadcast channel to a less commonly used channel


Correct Answer: AD




Two duplicate pieces of equipment can be used in conjunction for which of the following purposes? (Select TWO)


A.      High availability

B.      Fault tolerance

C.      Reduce latency

D.      Wi-MAX

E.       CARP


Correct Answer: AB




The location that the local network connection ends and the ISP responsibility begins is known as the:


A.      Access point.

B.      Default gateway.

C.      IDF connection.

D.      Demarcation point.


Correct Answer: D




Joe, a user, is unable to reach websites, but is able to ping several Internet IPv4 addresses.

Which of the following is the MOST likely problem?


A.      Incorrect subnet mask

B.      Incorrect DNS

C.      Missing default gateway

D.      Incorrect IPv6 address


Correct Answer: B




Which of the following sizes is the fixed cell length in ATM?


A.      8 bytes

B.      53 bytes

C.      64 kilobytes

D.      128 kilobytes


Correct Answer: B




Which of the following network scanners detects and sends out alerts for malicious network activity?


A.      Packet sniffers

B.      IDS

C.      Port scanners

D.      IPS


Correct Answer: B




Joe, a technician, is configuring ports on a switch. He turns off auto-negotiation and sets the port speed to 1000 Mbps. A user’s PC is no longer able to access the network. Which of the following is MOST likely the problem?


A.      The user’s NIC does not support 1Gbps

B.      The switch is not compatible with 1000Mbps.

C.      The user’s NIC does not support 100Mbps.

D.      Joe needs to restart the DNS server.


Correct Answer: A




Which of the following TCP/IP and OSI model layers retransmits a TCP packet if it is not received successfully at its destination?


A.      The transport OSI model layer and the transport TCP/IP model layer

B.      The transport OSI model layer and the Internet TCP/IP model layer

C.      The network OSI model layer and the transport TCP/IP model layer

D.      The network OSI model layer and the Internet TCP/IP model layer


Correct Answer: A




Which of the following network appliances would facilitate an even amount of traffic hitting each web server?


A.      Load balancer

B.      VPN concentrator

C.      Proxy server

D.      Content filter


Correct Answer: A



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