A.spanning-tree mode rapid-pvst
B.spanning-tree uplinkfast
C.spanning-tree backbonefast
D.spanning-tree mode mst

A.trunk mode mismatches
B.vlans that do not correspond to a unique IP subnet
C.native vlan mismatches
D.allowing only vlan 2 on the destination.

A.對于語音資源的非授權(quán)訪問
B.危害網(wǎng)絡(luò)資源
C.偷聽
D.DoS攻擊

A.Enable VTP pruning
B.From privileged mode ,erase the startup configuration file,then reload.
C.From privileged mode ,erase the vlan date file, then reload.
D.Cycle the switch power.

A.they run a spell check on host names to ensure accurate routing
B.they map individual hosts to their specific IP address
C.they convert domain names into IP address
D.Given an IP address，they determine the name of the host that is…

A.無線網(wǎng)絡(luò)使用WEP或WPA/TKIP是非常安全的，不容易受到黑客攻擊
B.無線網(wǎng)絡(luò)使用WPA2/AES應(yīng)該有至少6個字符的密碼短語
C.如果IPSec VPN是可用的，那么在任何公共無線LAN中部署它
D.如果無線接入不是必須的，禁用無線設(shè)備或無線NIC

A.單站部署
B.集中與遠程分支呼叫處理
C.分布式呼叫處理部署
D.通過IP WAN 的組群

A.Flash，TFTP server，ROM
B.Flash，NVRAM，ROM
C.ROM，NVRAM，TFTP server
D.NVRAM，TFTP server，ROM
E.TFTP server，F(xiàn)lash，NVRAM

A.complicated header
B.plug-and-play
C.no broadcasts
D.checksums
E.optional IPsec
F.autoconfiguration

A.預(yù)先的威脅和入侵檢測能力能檢測無線攻擊并進行防御
B.全面保護機密數(shù)據(jù)和通信安全
C.單一用戶標識和策略簡化了用戶管理和非授權(quán)訪問的保護
D.和有線安全系統(tǒng)的合作確保了無線安全功能和防護的全面性