Objective Computer Knowledge

Q. Storage and memory differ with respect to which of the following characteristics?
1 Reliability
2 Speed
3 Price
4 All of these
Ans: 4
Q. The ---- is the term used to describe the window that is currently being used.
1 Web Window
2 Display Area
3 Active Window
4 Monitor
Ans: 3
Q. 1024 bytes equals:
1 1 KB
2 2 MB
3 1 GB
4 1TB
Ans: 1
Q. The term 'PC-XT' refers to
1 Personal Computer External Technology
2 Personal Computer Extended Technology
3 Personal Computer Embedded Technology
4 Personal Computer Expanded Technology
Ans: 2
Q. Most networks employ devices for routing services. Routers work at which of the Following OSI Layers?
1 Transport
2 Network
3 Presentation
4 Session
Ans: 2
Q. Which of the following will help you to improve your LAN security?
1 Change your passwords frequently
2 Install a firewall program
3 Use a proxy
4 All of the above
Ans: 3
Q. Which of the following devices discriminates between multicast and unicast packets?
1 Multicast switch
2 Bicast switch
3 Bicast router
4 Mulicast Router
Ans: 4
Q. Which of the following use routes with packet filtering rules to allow or deny access based on source address, destination address, or port number?
1 Application layer Firewall
2 Packet Filtering Firewall
3 Router enhanced firewall
4 IP enabled firewall
Ans: 2
Q. Which of the following systems run an application layer firewall using proxy software?
1 Proxy NAT
2 Proxy client
3 Client 32
4 Proxy server
Ans: 4
Q. A packet filtering firewall operates at which of the following OSI layer?
1 At the Application layer
2 At the Transport Layer
3 At the Network Layer
4 Both 2 and 3
Ans: 4
 
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