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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?
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"SAP" is used by the Cisco IOS for which encapsulation types? Ans) Three types:- Ethernet_802.2 Token-Ring FDDI_802.2
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Can you describe screened host architecture?
An industry standard suite of protocols for the use of point-to-point links to transport multiprotocol datagrams.
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Time out The protocols name Go Back N is derived from the sender behaviour in the presence of lost or overly delayed packets. A timer will again be used to recover
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