多項選擇題Cisco IOS IPS sends IPS alert messages using which two protocols？ （）

A. SDEE
B. LDAP
C. SYSLOG
D. FTP
E. SNMP
F. SMTP


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1.多項選擇題When implementing WLAN security， what are three benefits of using the Temporal Key Integrity Protocol （TKIP） instead of WEP？ （）

A. TKIP uses an advanced encryption scheme based on AES
B. TKIP provides authentication and integrity checking using Cipher Block Chaining Message Authentication Code （CBC-MAC）
C. TKIP provides per-packet keyingand a rekeying mechanism
D. TKIP provides message integrity check
E. TKIP reduces WEP’s vulnerabilities byusing different hardware encryption chipset
F. TKIP uses a 48 bit InitializationVector

2.多項選擇題Which three statements regarding Cisco ASAmulticast routing support are correct？ （）

A. ASA supports both stubmulticast routing and PIMmulticast routing. However， you cannot configure bothconcurrently on a single security appliance
B. When configured for stubmulticast routing， the ASA can act as the Rendezvous Point （RP）
C. If the ASAdetects IGMPversion1 routers， the ASAwill automatically switch to IGMP version 1 operations.
D. The ASA supports both PIM-SM and bi-directional PIM
E. Enabling multicast routing globally on the ASA automatically enables PIM and IGMP on all interfaces
F. The ASA can be configured for IGMP snooping toconstrain theflooding of multicast traffic by dynamically configuring themulticast traffic to be forwarded only those interfaces associated with hosts requesting themulticast group

3.單項選擇題The key lengths for DES and 3DES， respectively， are：（）

A. 128 bits and 256 bits
B. 128 bits and 384 bits
C. 1024 bits and 3072bits
D. 64 bits and 192 bits
E. 56 bits and 168 bits
F. 128 bytes and 384 bytes

4.多項選擇題Which algorithms did TKIP add to the 802.11 specification？ （）

A. key mixing
B. AES-based encryption
C. anti-replay sequence counter
D.  message integrity check
E. cyclic redundancy check

5.多項選擇題Whenever a failover takes place on the ASA （configured for failover）， all active connections are droppedand clients must re-establish their connections unless： （）

A. The ASA is configured for Active-Standby failover.
B.  The ASA is configured for Active-Activefailover.
C. The ASA is configured for Active-Active failover and a state failover link has been configured.
D. The ASA is configured for Active-Standby failover and a state failover link has been configured.
E. The ASA is configured to use a serial cable as the failover link.
F. The ASA is configured for LAN-Based failover