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What is a binary semaphore?
What is its use?
A binary semaphore is takes only 0 and 1 as values.
They are used to execute mutual exclusion and synchronize concurrent processes.
Hosts are generally, individual machines at a specific location. Normally Resources of host machine are shared and can be used by any user on Internet. Hosts & local networks are g
Q. Show the process of Mail Delivery? Mail Delivery -Consists of three stages -First stage - email goes from user agent to local server, where it is stored until it ma
State the methods to keep the attackers at bay Another best methods to keep the attackers at bay is known as network address translator or NAT. The philosophy behind the design
Control This field defines 6 different control bits or flags. These bits enable flow control connection establishment and termination connection abortion and the mode
Q. Show the Masking process? Masking Take out the address of the physical network from an IP address Used by routers inside the organization
Which protocol comes under Hybrid dynamic type? Ans) EIGRP (ENHANCED INTERIOR GATEWAY ROUTING PROTOCOL) comes under hybrid dynamic.
Subscriber Database Core network also hosts the subscribers database ( for e, g HLR in GSM systems). Subscriber database is accessed by core network nodes fro funct
Question 1 Explain GSM digital cellular System model Question 2 Explain cellular Digital Packet Data(CDPD) system with the help of CDPD network reference model Question 3
NETWORK MANAGEMENT & SECURITY 1. Describe a basic communication model. 2. State the following terms: a. Configuration Management b. Fault Management c. Security Management
Can you describe the concept of TTL?
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