Exam 8


WHAT TO KNOW

to ace your Comptia Network+ Certification Exam

with MOST of the type of questions you'll likely see on the test!


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Communication Standards -

56K -
standard dial-up modem can send and receive data at 53 Kbps

ISDN -
Basic Rate Interface (BRI) has two 64 Kbps B channels and one 16 Kbps data channel for control information. The two B channels can be combined to form a single 128 Kbps connection.

ADSL -
receives data at 8 Mbps for fast downloads and sends data at 640 Kbps. Uses only a part of the telephone line allowing you to talk on the telephone and work on the internet at the same time.

Fiber Optic -
cable carries no electrical impulses, the signal cannot be tapped and its data cannot be stolen. Fiber optic cable is good for very high-speed, high-capacity data transmission.



1. can be thought of as a "hop counter" determining how many hops it takes along various paths to the destination and then telling the router which is the one with the least number of hops which most of the time is the quickest route?
DLC
SAP
RIP


2. Apple's LocalTalk protocol has a ___ computer limit?
8
32
128


3. Ensures that one device is NOT overwhelmed by another with a data transmission?
SMB
CRC
flow control


4. You are setting up a 10Base2 Ethernet network for a client with three segments. There are 20 computers in each segment. How many terminators will you need for this network?
1
2
6


5. Used to connect different media types but cannot filter or segment traffic?
bridge
hub
router


6. The most efficient way to control security in a client/ server network is to assign permissions to ___?
each shared resource
directories
groups


7. Which of the following IRQs can you set your NIC to without usually causing a conflict?
4
7
10


8. ArcNet is one of the oldest protocols used. What year was it invented?
1967
1977
1987


9. OSI layer that determines whether the transmission is a full or half-duplex transfer?
presentation
session
application


10. Compensates for a hard drive failure on an NT server?
RAID
WINS
DHCP


11. A ___ is used to connect two pieces of 10Base2 coaxial cable together?
T-connector
barrel connector
patch cable


12. One reason the ATM WAN protocol is faster than Frame Relay is because its packets are a ___ size which allows them to be switched and routed more easily?
variable
fixed
compressed


13. SQL is used to ___?
access databases
setup the default gateway
identify a defective NIC


14. Which of the following is a routable protocol?
LAT
NWLink
DLC


15. Uses token passing?
Frame Relay
ArcNet
ATM


16. For Cat 5 UTP, patch cables from the wall outlet to the computer can be a maximum of ___ m?
1
3
10


17. the static text file ___ and DNS contain similar names and IP addresses?
LMHOSTS
HOSTS
WINS


18. Increases the data rate of modems?
encryption
compression
synchronization


19. Wireless technology commonly used to connect workstations that are all located in a single room?
IrDA
microwave
SONET


20. Your customer has a client/ server Ethernet network consisting of a server and 225 computers running Win NT4. What kind of security would you recommend to him for centralized control of access to files and directories on the network?
use a password for each file and groups for each directory
use a password for each file and directory shared
setup groups of shared resources and users who have access to these groups

Grade =
Correct answers are:




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