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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
1. A virtual memory system has a virtual address space of 4 Gigabytes and a page size of 8 Kilobytes. Each page table entry occupies 4 bytes. a) How many bits remain unchanged
Routing Information Protocol (RIP) is a distance vector routing protocol that used hop count as its metric. The maximum hop count is 15, 16 hops are considered unreachable. RIP upd
Q. What are the trends in Network Security ? Trends in Network Security Improved vigilance for virus infections Continual maturation of firewall technologies
What is the major issue with hop count metric issue
You are a network consultant working for a large European networVservice provider and have been given the task of reviewing the future network requirements of the company for its f
Disadvantages of OSPF protocol i) Single Area ii) High Hardware Requirements iii) Troubleshooting
What is DoS? A do, or Denial-of-Service attack, is an attempt to stop users from being able to access the internet or any other network services. Such attacks might be come in
Elaborate the term - Database Connectivity Basic connectivity A number of database management systems are available today such as the Oracle, Sybase, Ingres, etc. Most
What are the dissimilar ways authentication mechanism in VPN?
Receipt of Acknowledgment In our GBN protocols an acknowledgment for packet with sequence number will be taken to be accumulative acknowledgment indicating that all packe
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