Exam Questions and CORRECT Answers
Which two functions are implemented at the application layer of the OSI model? Choose two.
A - remote file services
B - data encryption/decryption
C - data compression
D - directory services - CORRECT ANSWER -A&D
Which two policies can you configure through QoS policy settings?
A - set traffic priority on receiving computer IP address
B - optimize routes based on available bandwidth
C - optimize routes based on hop countD - set traffic priority based on the receiving application
E - set traffic priority based on the sending computer IP address
F - set traffic priority based on the sending application - CORRECT ANSWER -B&F
Which type of wide-area connection is available in the most geographic regions?
A - T1
B - Cable
C - ISDN
D - POTS - CORRECT ANSWER -D
You need to configure a VPN connection between two offices. You want to maximize the
connection speed. Which connection should you use?
,A - ISDN
B - Cable Modem
C - T1 D - DSL - CORRECT ANSWER -B
What is the function of a router?
A - directs data packets toward a destination network
B - provide interconnections between different media types
C - resolve MAC and IP addresses
D - join subnets into larger broadcast domains - CORRECT ANSWER -A
Which is an example of external interference that can degrade the transmission quality of a UTP
cable segment?
A - Wireless access points
B - Crosstalk
C - Large electric motors
D - Cell phones - CORRECT ANSWER -B
When a client's DHCP-issued address expires, the client will:
A - Generate a new address valid to the subnet and request approval from the DHCP server
B - Disconnect from the network
C - Attempt to renew its lease to the address
D - Continue to use the address until it is notified to stop - CORRECT ANSWER -B
An Ethernet 1000BaseT network is wired as a physical star using switches. What is the logical
topology?
,A - ring
B - star
C - mesh
D - bus - CORRECT ANSWER -B
Which network device interconnects computers in a workgroup, is able to be remotely
configured, and provides the best throughput?\
A - managed switch
B - router
C - unmanaged switch
D - hub - CORRECT ANSWER -A
What type of DNS resource record maps an IP address to fully qualified domain names (FQDN)?
A - CNAME
B - PTR
C - AAAA
D- A - CORRECT ANSWER -D
If an 802.11g Internet connection has connectivity problems, what may be the cause?
A - Computer monitor
B - A cellular phone
C - Incandescent light
D - A cordless phone - CORRECT ANSWER -D
, What information is contained in a client computer's HOSTS file?
A - NetBIOS name to IP address mappings
B - a list of local DNS Servers
C - FQDN to IP address mapping
D - a list of Internet and root DNS servers - CORRECT ANSWER -C
You need to configure DHCPServ with scopes to support both subnets. What needs to be done
on the other subnet?
A - Configure the router to support DHCP messages and BOOTP messages
B - Deploy a DHCP relay in the other subnet
C - Reconfigure both subnets with the same set of addresses
D - Deploy a NAT Server - CORRECT ANSWER -B
A university has network links at many locations. Where would a T3 connection be appropriate?
A - computer lab PC to lab printer
B - library laptop PC to Internet
C - server to network in the main server room
D - main campus to a large satellite campus - CORRECT ANSWER -C
What is the first step in the DNS name resolution process?
A- The client checks the LMHOSTS file for an entry to the name
B- The client checks its HOSTS file for an entry to the name
C- The client checks to see if the name being resolved is its own name - CORRECT
ANSWER -B