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Q. Show the Error control in TCP?
Error control in TCP
Detect lost segments, out-of-order segments, corrupted segments and duplicated segments
Three tools:
- no NACKs
- One time-out counter for every segment sent
Network Allocation Vector Timer which shows how much time must pass before a station is allowed to check the channel
Cisco is the defaul LMI type. There are three types of LMI standards: ANSI - Annex D defined by ANSI standard T1.617 ITU-T (Q.933A) - Annex A defined by Q933A Cisco
What is a difference between a domain and workgroup?
network diagram which must include at least 2router,2bridge and 4 switches and must have different protocols and different cable...?
802.11b HR DSSS a) High-rate DSSS using a 2.4 GHz band b) Similar to DSSS excluding for encoding method c) Uses complementary code keying (CCK), encoding 4 or 8 bits to
LRC - Performance Detects every burst errors up to length n (number of columns) If two bits in one data unit are damaged as well as two bits in exactly same positions
Describe Concept of Simplex, Half Duplex and Full Duplex dialogs?
Acknowledgment number This 32 bit field defines the byte number that the from the segment is expecting to receive the segment is expecting to receive from the other par
Router(config-if)# no cdp enable is the command to disable CDP on an interface
Q. What do you mean by Modems? Telephone Modems - A telephone line has a bandwidth of approximately 2400 Hz for data transmission
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