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Q. What is Authentication ?
- Verification of sender's identity.
- Accomplished through a digital signature, which is based on public key encryption/decryption.
- Uses reciprocity of RSA, however secret key is kept by the sender to -sign? the transmission.
Can you define IKE (Internet Key Exchange)?
Is personal firewall actually firewalls?
Can you describe format of RTP and RTCP packets?
Configure VTP Pruning on the Switche s VTP pruning allows a VTP server to suppress IP broadcast traffic for particular VLANs to switches that do not have any ports in that VLAN.
Explain multipoint connection. A multipoint connection is a link among three or more devices. Historically, multipoint connections were used to attach central CPs to distribute
Question: (a) Describe the importance of backups and the use of antivirus software. (b) With the help of an example/ illustration, explain the term encryption and explain
What are the Internal Threats Internal security problems are probably the most common. One never knows what someone is going to do. Even the most loyal employees or workers can
Q. Illustrate Keep alive and Time-Waited Timer? Keep alive timer To prevent a long inactive connection between two TCPs - Either client or server crash
802.11 CSMA/CA a) Wait a DIFS time to avoid collision b) Send RTS and wait for CTS reply to obtain the use of the Medium (air) c) Use of SIFS time for control informatio
Q. What is Parabolic Dish Antenna? - Incoming signals means that the Signal bounces off of dish and is directed to focus - Outgoing signals signifies transmission is broadca
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