Ingeniería informatica Redes Tema 11
1 HDLC is an acronym for _______.
2 The shortest frame in HDLC protocol is usually the _______ frame.
3 The address field of a frame in HDLC protocol contains the address of the _______ station.
4 The HDLC _______ field defines the beginning and end of a frame.
5 What is present in all HDLC control fields?
6 According to the PPP transition-phase diagram, options are negotiated in the _______ state.
7 According to the PPP transition-phase diagram, verification of user identification occurs in the _______ state.
8 In the PPP frame, the _______ field defines the contents of the data field.
9 In the PPP frame, the _______ field is similar to that of the U-frame in HDLC.
10 In the PPP frame, the _______ field has a value of 11111111 to indicate the broadcast address of HDLC.
11 In PPP, what is the purpose of LCP packets?
12 In the PPP frame, the _______ field is for error control.
13 For CHAP authentication, the user takes the system’s _______ and its own _______ to create a result that is then sent to the system.
14 In byte stuffing, we need sometimes to add a (an) ___________ in the payload.
15 In bit stuffing, we sometimes need to add an extra ___________ bit in the payload.
16 HDLC is a ________ oriented protocol
17 PPP is a ________ oriented protocol
18 In PPP, the address field defines ___________ of the packet.
19 In PPP, the ___________ field defines the type of payload encapsulated in the frame.
20 In PPP, the CHAP protocol uses ____________ steps to authenticate the parties in communication.
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