Which of the following are true regarding OSPF areas?1. You must have separate loopback interfaces configured in each area.2. The numbers you can assign an area go up to 65,535.3. The backbone area is also called area 0.4. If your design is hierarchical, then you don't need multiple areas.5. All areas must connect to area 0.

Computer Networking
Which of the following are true regarding OSPF areas?1. You must have separate loopback interfaces configured in each area.2. The numbers you can assign an area go up to 65,535.3. The backbone area is also called area 0.4. If your design is hierarchical, then you don't need multiple areas.5. All areas must connect to area 0.

1 and 2 only

3, 4 and 5

3 and 4 only

1 only

1 and 2 only

3, 4 and 5

3 and 4 only

1 only

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Computer Networking
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?

Electronic newspaper

Paperless office

Global network

Electronic mail

None of these

Electronic newspaper

Paperless office

Global network

Electronic mail

None of these

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Computer Networking
Error detection at the data link level is achieved by

Hamming Code

Equalization

Bit Stuffing

Cyclic Redundancy Code

Hamming Code

Equalization

Bit Stuffing

Cyclic Redundancy Code

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Computer Networking
What is the name of the software package that allows people to send electronic mail along a network of computers and workstations?

None of these

Memory resident package

Electronic mail package

Data communication package

Project management package

None of these

Memory resident package

Electronic mail package

Data communication package

Project management package

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Computer Networking
One important characteristic of the hub architecture of ARC-net is

directionalized transmission

alternative routing

access control and addressing

None of these

multiple virtual networks

directionalized transmission

alternative routing

access control and addressing

None of these

multiple virtual networks

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Computer Networking
Which of the following network types have a designated router and a backup designated router assigned? 1. Broadcast 2. Point-to-point 3. NBMA 4. NBMA point-to-point

1, 2 and 3

All of these

1 and 3

3 and 4

1, 2 and 3

All of these

1 and 3

3 and 4

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Computer Networking

Computer Networking Error detection at the data link level is achieved by

Computer Networking What is the name of the software package that allows people to send electronic mail along a network of computers and workstations?

Computer Networking One important characteristic of the hub architecture of ARC-net is

Computer Networking Which of the following network types have a designated router and a backup designated router assigned? 1. Broadcast 2. Point-to-point 3. NBMA 4. NBMA point-to-point

Computer Networking
Error detection at the data link level is achieved by

Computer Networking
What is the name of the software package that allows people to send electronic mail along a network of computers and workstations?

Computer Networking
One important characteristic of the hub architecture of ARC-net is

Computer Networking
Which of the following network types have a designated router and a backup designated router assigned? 1. Broadcast 2. Point-to-point 3. NBMA 4. NBMA point-to-point