單項(xiàng)選擇題Which line from the output of the show ip interface command indicates a layer 1 problem?()

A.Serial0/1 is up, line protocol is down
B.Serial0/1 is down, line protocol is down
C.Serial0/1 is up, line protocol is up
D.Serial0/1 is administratively down, line protocol is down


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1.多項(xiàng)選擇題Cisco提供()方法來實(shí)現(xiàn)AAA服務(wù)

A.基于AAA授權(quán)
B.本地AAA認(rèn)證
C.基于服務(wù)器的AAA認(rèn)證
D.AAA記賬

2.單項(xiàng)選擇題Which statement about IPv6 is true?()

A.Addresses are not hierarchical and are assigned at random.
B.Only one IPv6 address can exist on a given interface.
C.There are 2.7 billion addresses available.
D.Broadcasts have been eliminated and replaced with multicasts.

3.單項(xiàng)選擇題Which statement about RIPng is true?()

A.RIPng allows for routes with up to 30 hops.
B.RIPng is enabled on each interface separately.
C.RIPng uses broadcasts to exchange routes.
D.There can be only one RIPng process per router.

5.單項(xiàng)選擇題Which term describes the process of encapsulating IPv6 packets inside IPv4 packets?()

A.tunneling
B.hashing
C.routing
D.NAT

6.多項(xiàng)選擇題Cisco環(huán)境中的網(wǎng)絡(luò)和管理性AAA安全有以下幾個(gè)功能組件()

A.認(rèn)證
B.控制中心
C.授權(quán)
D.記賬和審計(jì)

7.多項(xiàng)選擇題In an Ethernet network, under what two scenarios can devices transmit? ()

A.when they receive a special token
B.when there is a carrier
C.when they detect no other devices are sending
D.when the medium is idle
E.when the server grants access

8.多項(xiàng)選擇題以下那些是安全審計(jì)工具()

A.思科一步鎖閉
B.安全審計(jì)向?qū)?br /> C.思科自動(dòng)安全
D.一鍵關(guān)閉

9.單項(xiàng)選擇題What is the first 24 bits in a MAC address called?()

A.NIC
B.BIA
C.OUI
D.VAI

10.多項(xiàng)選擇題為了獲得更好的虛擬登錄連接的安全性,應(yīng)配置以下哪些參數(shù)()

A.兩次成功登錄之間的延遲
B.如果檢測到DoS攻擊,應(yīng)關(guān)閉登錄
C.加密所有密碼
D.為登錄建立系統(tǒng)日志

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