Which WAN service utilizes two different encapsulation types (one for data and one for signaling) on its data link layer?（）

A .  Java.util.Map. B .  Java.util.List. C .  Java.util.Hashable. D .  Java.util.Collection.

A . Utilizing Syslog improves network performance. B . The Syslog server automatically notifies the network administrator of network problems. C . A Syslog server provides the storage space necessary to store log files without using router disk space. D . There are more Syslog messages available within Cisco IOS than there are comparable SNMP trap messages. E . Enabling Syslog on a router automatically enables NTP for accurate time stamping。 F . A Syslog server helps in aggregation of logs and alerts.

A . RFP B . RFC C . SLC/SLA D . SOW

A . T1 B . Frame Relay C . DSL D . PPP E . ISDN F . IPX

A .  The elements in the collection are ordered. B .  The collection is guaranteed to be immutable. C .  The elements in the collection are guaranteed to be unique. D .  The elements in the collection are accessed using a unique key. E .  The elements in the collections are guaranteed to be synchronized.

A . AAL2 B . AAL 4 C . AL 5 D . AAL 1 E . AAL 3

A . mrinfo.exe localhost B . msinfo32.exe C . perfmon.exe /report D . systeminfo.exe

A .  RFP B .  RFC C .  SLC/SLA D .  SOW

A .  ADSL B .  SIP trunking C .  Fibre Channel D .  IPv6 E .  Fast Ethernet F .  T1

A . LDAP B . bootp C . DHCP D . bind

A . PPP B . WAP C . HDLC D . MPLS E . L2TPv3 F . ATM

A . NTP B . NNTP C . SMTP D . SNMP E . HTTPS F . TFTP

A .  The elements in the collection are ordered. B .  The collection is guaranteed to be immutable. C .  The elements in the collection are guaranteed to be unique. D .  The elements in the collection are accessed using a unique key. E .  The elements in the collections are guaranteed to be synchronized.

A . modem B . Frame Relay switch C . CSU/DSU D . WAN switch E . ISDN TA

A .  The elements in the collection are ordered. B .  The collection is guaranteed to be immutable. C .  The elements in the collection are guaranteed to be unique. D .  The elements in the collection are accessed using a unique key. E .  The elements in the collections are guaranteed to be synchronized.

A . PPP B . WAP C . DSL D . Ethernet E . L2TPv3

A .  passive optical network （PON） B .  serial C .  Fibre Channel D .  Fast Ethernet E .  ADSL2+

A .  Flashback Query B .  Flashback Drop C .  Flashback Table D .  Flashback Database E .  Transaction Processing F .  Recycle Bi

A . A large number of BGP sessions B . A large BGP table C . A router is configured with the following command： ip route 0.0.0.0 0.0.0.0 fa 0/1 D . All interface buffers are continually in use E . A flapping interface F . The router sends a large number of ARP request

A .  The elements in the collection are ordered. B .  The collection is guaranteed to be immutable. C .  The elements in the collection are guaranteed to be unique. D .  The elements in the collection are accessed using a unique key. E .  The elements in the collections are guaranteed to be synchronized.

A . show protocols B . show process C . show system D . show versio

A .  java.util.Map B .  java.util.List C .  java.util.Hashable D .  java.util.Collectio

A . The Aironet Desktop Utility （ADU） can be used to enable or disable the adapter radio and to configure LEAP authentication with dynamic WEP. B . In Windows XP environment， a client adapter can only be configured and managed with the Microsoft Configuration Manager. C . The Microsoft Wireless Configuration Manager can be configured to display the Aironet System Tray Utility （ASTU） icon in the Windows system tray. D . The Cisco Aironet Desktop Utility （ADU） and the Microsoft Wirelss Configuration Manager can both be enabled at the same time to setup WLAN client cards.

A．The increase in oil demand in America is largely due to SUV. B．It consumes more oil than other passenger vehicles. C．No politicians would attack the use of SUV. D．SUVs are a kind of light trucks.