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Computer Networking

Computer Networking
What is the name of the network topology in which there are bi-directional links between each possible node?

Mesh
Tree
Ring
Star
None of these

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Computer Networking
What PPP protocol provides dynamic addressing, authentication, and multilink?

LCP
X.25
HDLC
NCP

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Computer Networking
Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost.

None of these
K I (K - P)
KIK (1 + F)
1/ (1 - F)
P I (K + 1)

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Computer Networking
Which of the following services use UDP?1. DHCP2. SMTP3. SNMP4. FTP5. HTTP6. TFTP

1, 3 and 6
1, 2 and 4
All of these
2 and 4

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Computer Networking
If you want to have more than one Telnet session open at the same time, what keystroke combination would you use?

Tab+Spacebar
Ctrl+Shift+6, then X
Ctrl+Shift+X, then 6
Ctrl+X, then 6

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Computer Networking
Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational?

frame-relay map
frame-relay arp
frame-relay lmi-type
frame-relay interface-dci

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