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a. If a password to a cipher is exactly 8 characters long, and each character can be selected from [0-9], [a-z], and [A-Z], how many different passwords are possible?
b. Suppose a system requires passwords be 8 characters long, include at least one capital letter, at least one digit and at least one character from the set of 5 special characters { !,#,%,&,*} . What advantage does this provide an attacker who is trying to guess a password?
Describe OSPF?
Q. Permutation representation through Matrix? Figure: Clos Network The functioning of this above permutation is displayed in Figure. This permutation is able to
Multi Tasking Environment Multi tasking exploits parallelism by: 1) Concurrently using the multiple functional units 2) Pipelining functional units are pipe line toget
a) Consider that a host is sending a frame of 1200 bytes to another host found 20 Kilometers away. (Assume that switching delay is negligible) i) Calculate the total latency (
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Recognize the access-list range for an extended IP access-list? Ans) IP extended access-lists use the number range of 100-199.
Firewall is a device or a component that restricts access between a protected or an internal network from an external or untrustworthy network .A firewall basically limits unautho
Configure a Wireless MAC Filter Step: Add a Mac filter. Navigate back to the web utility page of the router (http://172.17.30.1). Navigate to the Wireless section a
Determine the command that forces the router to load into ROM mode upon a reload? Ans) boot system rom ia the command that forces the router to load into ROM mode upon a reload
With an object server, the Client/Server application is written as a set of communicating objects. Client object commune with server objects using an Object Request Broker (ORB). T
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