A group of 2m - 1 routers are interconnected in a centralized binary tree, with router at each tree node. Router I communicate with router J by sending a message to the root of the tree. The root then sends the message back down to J. Then find the mean router-router path length.

Computer Networking
A group of 2m - 1 routers are interconnected in a centralized binary tree, with router at each tree node. Router I communicate with router J by sending a message to the root of the tree. The root then sends the message back down to J. Then find the mean router-router path length.

2 (m - 2)

m - 1

(2m - l)/mJ

2 (2m - 1)

2 (m - 2)

m - 1

(2m - l)/mJ

2 (2m - 1)

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Computer Networking
The X.25 standard specifies a

data bit rate

technique for dial access

technique for start-stop data

DTE/DCE interface

None of these

data bit rate

technique for dial access

technique for start-stop data

DTE/DCE interface

None of these

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Computer Networking
If routers in a single area are configured with the same priority value, what value does a router use for the OSPF Router ID in the absence of a loopback interface?

The lowest IP address of any logical interface

The lowest IP address of any physical interface

The highest IP address of any physical interface

The highest IP address of any logical interface

The lowest IP address of any logical interface

The lowest IP address of any physical interface

The highest IP address of any physical interface

The highest IP address of any logical interface

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Computer Networking
A distributed data processing configuration in which all activities must pass through a centrally located computer is called a:

None of these

data control network

hierarchical network

ring network

spider network

None of these

data control network

hierarchical network

ring network

spider network

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Computer Networking
Which two of the following are true regarding the distance-vector and link-state routing protocols?1. Link state sends its complete routing table out all active interfaces on periodic time intervals.2. Distance vector sends its complete routing table out all active interfaces on periodic time intervals.3. Link state sends updates containing the state of its own links to all routers in the internetwork.4. Distance vector sends updates containing the state of its own links to all routers in the internetwork.

None of these

1 only

2 and 3 only

3 only

None of these

1 only

2 and 3 only

3 only

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Computer Networking
A high speed communication equipment typically would not be needed for

All of these

Supporting communication between nodes in a LAN

Transferring large volume of data

E-mail

All of these

Supporting communication between nodes in a LAN

Transferring large volume of data

E-mail

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Computer Networking

Computer Networking The X.25 standard specifies a

Computer Networking If routers in a single area are configured with the same priority value, what value does a router use for the OSPF Router ID in the absence of a loopback interface?

Computer Networking A distributed data processing configuration in which all activities must pass through a centrally located computer is called a:

Computer Networking A high speed communication equipment typically would not be needed for

Computer Networking
The X.25 standard specifies a

Computer Networking
If routers in a single area are configured with the same priority value, what value does a router use for the OSPF Router ID in the absence of a loopback interface?

Computer Networking
A distributed data processing configuration in which all activities must pass through a centrally located computer is called a:

Computer Networking
A high speed communication equipment typically would not be needed for