單項(xiàng)選擇題Stream ciphers run on which of the following?()

A.Fixed-length groups of digits called blocks
B.Individual blocks,one at a time,with the transformations varying during the encryption
C.Individual digits,one at a time,with the transformations varying during the encryption
D.Fixed-length groups of bits called blocks


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題What is the objective of the aaa authentication login console-in local command?()

A.It specifies the login authentication method list named console-in using the local user database on the router
B.It specifies the login authorization method list named console-in using the local RADIUS username-password data base
C.It specifies the login authentication list named console-in using the local username- password data base on the router
D.It specifies the login authorization method list named console-in using the local username- password data base on the router

2.多項(xiàng)選擇題Which statement best describes the Turbo ACL feature? ()

A.The Turbo ACL feature processes ACLs into lookup tables for greater efficiency
B.The Turbo ACL feature leads to increased latency, because the time it takes to match the packet isvariable
C.The Turbo ACL feature leads to reduced latency, because the time it takes to match the packet is fixedand consistent
D.Turbo ACLs increase the CPU load by matching the packet to a predetermined list

最新試題

For the following items, which one acts as a VPN termination device and is located at a primary networklocation?()

題型:?jiǎn)雾?xiàng)選擇題

If you click the Configure button along the top of Cisco SDM is graphical interface,which Tasks buttonpermits you to configure such features as SSH, NTP, SNMP, and syslog?()

題型:?jiǎn)雾?xiàng)選擇題

Which VoIP components can permit or deny a call attempt on the basis of a network’s available bandwidth?()

題型:?jiǎn)雾?xiàng)選擇題

For the following options, which feature is the foundation of Cisco Self-Defending Network technology?()

題型:?jiǎn)雾?xiàng)選擇題

Refer to the exhibit. Which statement is correct based on the show login command output shown?()

題型:?jiǎn)雾?xiàng)選擇題

Which method is of gaining access to a system that bypasses normal security measures?()

題型:?jiǎn)雾?xiàng)選擇題

A standard access control list has been configured on a router and applied to interface Serial 0 in anoutbound direction. No ACL is applied to Interface Serial 1 on the same router. What will happen whentraffic being filtered by the access list does not match the configured ACL statements for Serial 0?()

題型:?jiǎn)雾?xiàng)選擇題

Which key method is used to detect and prevent attacks by use of IDS and/or IPS technologies?()

題型:?jiǎn)雾?xiàng)選擇題

Which type of intrusion prevention technology will be primarily used by the Cisco IPS security appliances?()

題型:?jiǎn)雾?xiàng)選擇題

What will be disabled as a result of the no service password-recovery command?()

題型:?jiǎn)雾?xiàng)選擇題