Which two items best describe a Cisco IOS IP SLA responder？（）

A . If Ethernet 0/2 goesdown， the standby router will take over B . The local IP address of Router A is 10.1.0.6 C . When Ethernet 0/3 of RouterA comes back up， the priority will become 105 D . Router A will assume the active state if its priority is the highest E . The local IP address of Router A is 10.1.0.20

A .  SSID broadcast prevention B .  Improved mutual authentication C .  Improved encryption through AES D .  Improved protection against sniffing initialization vectors E .  RF jamming preventio

A . TKIP protects RC4 encryption keys B . CKIP and TKIP protect AES encryption keys C . TKIP encryption is more processor intensive than AES encryption is D . WPA requires TKIP encryption， whereas WPA2 supports AES encryption E . WPA requires AES encryption， whereas WPA2 supports TKIP encryptio

A . Routinely apply patches to operating systems and applications B . Disable unneeded services and ports on hosts C . Deploy HIPS software on all end-user workstations D . Require strong passwords and enable password expiratio

A . It specifies use of a static encryption key that must be changed frequently to enhance security B . It requires use of an open authentication method C . It specifies the use of dynamic encryption keys that change each time a client establishes a connection D . It requires that all access points and wireless devices use the same encryption key E . It includes authentication by PSK

A . Call management software B . Media Convergence Servers (MCSs) C . Voice gateways D . IP telephone

A . EtherChannel technology helps aggregate traffic grouping multiple，full-duplex point-to-point linkstogether B . EtherChannel technology is based on the 802.1 IEEE stand C . EtherChannel can aggregate up to 800 Mbps，8 Gbps，or Gbps of aggregate bandwidth for a Fast EtherChannel，Gigabit EtherChannel，or 10 Gigabit EtherChannel connection respectively D . EtherChannel is defined for Rapid Spanning Tree for faster convergence

A . pleting aggressive implementation schedule B . Stateful Switchover C . pany and user expectations D . Nonstop Forwarding E . change control processes F . dual devices and dual link

A .  The local IP address of Router A is 10.1.0.6. B .  The local IP address of Router A is 10.1.0.20. C .  If Ethernet 0/2 goesdown， the standby router will take over. D .  When Ethernet 0/3 of RouterA comes back up， the priority will become 105. E .  Router A will assume the active state if its priority is the highest.

A . The CBWFQ scheduler provides a guaranteed minimum amount of bandwidth to each class. B . CBWFQ services each class queue using a strict priority scheduler. C . The class-default queue only supports WFQ. D . Inside a class queue， processing is always FIFO， except for the class-default queue.

A . Authentication and Authorization credentials B . Microsoft Active Directory credentials C . LDAP assignment D . Role assignment

A .  AirDefense for wireless IDS is required by autonomous APs. B .  2.40Hz CK management can monitor both 802.11 and non-802.11 CK interference. C .  APs only monitor the RF channels that are servicing the clients. D .  Cisco or CCX compatible client cards can extend the CK IDS service for autonomous APs. E .  Autonomous APs must be dedicated IDS sensors while lightweight APs can combine client traffic and RF monitoring.

A . only implemented between Cisco source and destination-capable devices B . statistics provided by syslog， CLI， and SNMP C . measures delay， jitter， packet loss， and voice quality D . only monitors VoIP traffic flows E . provides active monitoring F . provides passive monitoring

A .  The Cisco Unified Wireless Network provides the framework to segregate wired and wirelessnetworks to deliver the best security for companies that are deploying WLANs. B .  The Cisco Unified wireless Network provides the framework to integrate and extend wired andwireless networks to deliver the lowest-possible total cost or ownership for companies that aredeploying WLANs C .  The Cisco Unified Wireless Network extends "wireless awareness" into important elements ofthe network infrastructure， providing the same level of security for WLANs that organizations havecome to expect from their VPNs. D .  The Cisco unified Wireless Network extends "wireless awareness" into important elements ofthe network infrastructure， providing the same level of security scalability， reliability ease ofdeployment and management for WLANs that organizations have come to expect from their wiredLANs.

A . TCP-based hello packets B . the impact of flapping links if timers are too low C . a shared single interface D . the ability to track serial interfaces E . UDP-based hello packet

A . Shared single interface B . IP Address C . TCP-based hello packets D . MAC addre

A .  The Cisco Unified Wireless Network provides the framework to segregate wired and wireless networks to deliver the best security for companies that are deploying WLANs B .  The Cisco Unified Wireless Network provides the framework to integrate and extend wired and wireless networks to deliver the lowest-possible total cost of ownership for companies that are deploying WLANs C .  The Cisco Unified Wireless Network extends wireless awareness into important elements of the network infrastructure， providing the same level of security for WLANs that organizations have come to expect from their VPNs D .  The Cisco Unified Wireless Network extends wireless awareness into important elements of the network infrastructure， providing the same level of security， sociability， reliability， ease of deployment， and management for WLANs that organizations have come to expect from their wired LAN

A .  available only in autonomous APs B .  available in autonomous and lightweight APs C .  a feature of WDS in autonomous APs D .  a feature of WDS in lightweight APs E .  requires at least one AP and one Wireless LAN Services Module

A . Cisco Unified CallManager   B . Cisco Unified CallManager BARS Utility   C . Java plug-in   D . SQL 2K Server&e

A . OSPF process ID B . OSPF router ID C . OSPF network type D . OSPF memory usage E . OSPF CPU utilization F . OSPF stub area configuratio

A . delay sensitive packets are given preferential treatment B . the default policy identifies a delay sensitive class and default class C . the default policy identifies a delay sensitive class， best effort class， and default class D . the model is highly scalable E . the model is still predominant on the internet F the model provides guaranteed service

A . The Work Item is not eligible for Purge. B . The Work Item is eligible for a Permanent purge. C . The Work Item is eligible for a Temporary purge. D . The Work Item is not complete because it still has "Open" Notification. E . The Work Item is eligible for both Temporary and Permanent purge.

A．handed over B．handed round C．held on D．held out

此题为判断题(对，错)。