Information Technology Reference
In-Depth Information
What is an NT1 in ISDN architecture?
3
a. A device that connects the TE2 to the LE
b. Usually lies between the R and S reference points
c. Same as a NT4
d. A device that connects the 4-wire BRI to the 2-wire phone line
What is a BECN in Frame Relay?
4
a. A notification to the destination, indicating congestion in the path from source to
destination
b. A notification to the source, indicating congestion in the path from source to destination
c. A notification to the destination, indicating congestion in the path from destination to
source
d. A notification to the source, indicating congestion in the path from destination to
source
Inverse ARP provides what type of address resolution?
5
a. MAC address to IP address
b. DLCI to IP address
c. X.121 address to IP address
d. ATM address to IP address
How many bits are there in a Frame Relay DLCI?
6
a. 8 bits
b. 10 bits
c. 16 bits
d. 32 bits
Which authentication protocol do you use with PPP and encrypted passwords?
7
a. PPP authentication
b. PAP
c. CHAP
d. SecureID
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