Exam Questions and CORRECT Answers
What is the most common central device used today to connect computers to a network?
A. Hub
B. Switch
C. SOHO Router
D. VPN router - CORRECT ANSWER- ✔✔B. Switch
What is the most common adapter or connector used to connect a computer to a wired
network?
A. RG6
B. RG45
C. RJ45
D. RJ8 - CORRECT ANSWER- ✔✔C. RJ45
Which of the following does a switch use for increased performance?
A. simplex
B. half duplex
C. Full duplex
D. sliding duplex - CORRECT ANSWER- ✔✔C. Full Duplex
What do you use to isolate a group of computers within your organization?
A. WLAN
B. WAN
C. VLAN
,D. Internet - CORRECT ANSWER- ✔✔C. VLAN (Virtual Local Area Network
What do you use to create VLANs?
A. router
B. switch
C. firewall
D. proxy server - CORRECT ANSWER- ✔✔B. Switch
What zone is used to publish external websites for an organization?
A. intranet
B. exanet
C. internetwork
D. DMZ - CORRECT ANSWER- ✔✔D. DMZ (Demilitarized Zone)
Which topology is the most redundant and the most expensive?
A. Star
B. Ring
C. Mesh
D. Bus - CORRECT ANSWER- ✔✔C. Mesh
What standard describes CSMA/CD?
A. 801.2
B. 802.3
C. 802.5
D. 802.11 - CORRECT ANSWER- ✔✔B. 802.3
,What mechanism do wireless networks use to access the network?
A. CSMA/CD
B. CSMA/CA
C. token passing
D. polling - CORRECT ANSWER- ✔✔B. CSMA/CA (Carrier Sense Multiple Access with
Collision Avoidance)
What model promises the most processing power?
A. centralized computing
B. distributive computing
C. switching computing
D. dumb computing - CORRECT ANSWER- ✔✔B. Distributive computing
Which model users a central database for authentication?
A. peer-to-peer
B. workgroup
C. Client/server
D. distributive - CORRECT ANSWER- ✔✔C. client/server
What type of server does Active Director run on?
A. File server
B. Print server
C. database server
D. network controller - CORRECT ANSWER- ✔✔D. network controller
Which model has each host have their own security database?
, A. peer-to-peer
B. client/server
C.distributive
D. sliding - CORRECT ANSWER- ✔✔A. peer-to-peer
What type of communication is sent to a single designated host?
A. unicast
B. broadcast
C. multicast
D. anycast - CORRECT ANSWER- ✔✔A. unicast
What is used to uniquely identify a host on a TCP/IP network?
A. IP address
B. MAC address
C. bit pattern
D. router name - CORRECT ANSWER- ✔✔A. IP address
A_______ is a single computer or device that connects to a TCP/IP network.
A. Host
B. Node
C. Access Point
D. Laptop - CORRECT ANSWER- ✔✔A and/or B. Host and Node are the same thing.
What is the central device used in a wireless LAN?
A. Wireless Access Point