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Question:
a) One of the most important duties of a system administrator is to protect the information that is stored on network servers. In the same context, describe both Manageability and Reliability.
b) Name four types of backup procedures.
c) Give a brief description of the following Linux Command Options. i) Mkfs ii) Fsck
d) Two key concepts in analyzing and optimizing network performance are Bottlenecks and Baselines. Describe in detailed both of these concepts.
e) Explain how SNMP works.
Q. Explain the Public-Key Cryptography? Public-Key Cryptography - Each user has the same encryption algorithm and key - Decryption algorithm also key are kept secret
In HTML, a tag shows the browser what to do. When you write an HTML page, you enter tags for lot of reasons -- to change the appearance of text, to show a graphic, or to make a co
What are the Unix-based firewalls The Unix-based firewalls are considered most secured as compared to the Windows NT based ones. The firewalls bind the holes of the operating
What is one basic requirement for establishing VLANs? A VLAN needs dedicated equipment on each end of the connection that permits messages entering the Internet to be encrypted
Testing is used for estimate the quality of the product. Unit Testing is tested for every part of the product. Integrate the unit & tested.
The program must be well documented which includes meaningful variable and subroutine names ("self documenting code") along with comments in the code. The following block of code w
Physical Media In order to define what is meant by a physical medium let us reflect on the brief life of a bit. Consider a bit travelling from one end system through a serie
By using this command Router(config)# no cdp run we can disable CDP on the entire Router
In slotted Aloha system, it has been measured that 70% of slots are occupied by frames (i.e. the remaining slots are empty). a) How many frames need to be transmitted, on aver
Twisted Pair Cable Twisted pair cable consists of two insulated copper wires each about 1 mm thick arranged in a regular spiral pattern. The wires are twisted together
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