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網(wǎng)絡(luò)工程師每日一練試題內(nèi)容(2021/10/19)
試題
1: IDS設(shè)備的主要作用是()。
A.用戶認(rèn)證
B.報(bào)文認(rèn)證
C.入侵檢測(cè)
D.?dāng)?shù)據(jù)加密
試題解析與討論:
m.xiexiliangjiufa.com/st/2394227363.html試題參考答案:C
試題
2: Thede facto standard Application Program Interface (API) for TCP/IP applicationsis the “sockets” interface. Although this API was developed for (1) in the early 1960s it has also been implemented on a widevariety of no-Unix systems. TCP/IP (2) Writtenusing the sockets API have in the past enjoyed a high degree of portability andwe would like the same (3) with IPv6applications. But changes are required to the sockets API to support IPv6 andthis memo describes these changes. These include a new socket address structureto carry IPv6 (4) ,new address conversion functions,and some new socket options. These extensions are designed to provide access tothe basic IPv6 features requited by TCP and UDP applications, includingmulticasting, while introducing a minimums of change into the system and providingcomplete (5) for existing IPv4 applications.
(1)A.Windows
B.Linux
C.Unix
D.DOS
(2)A.a(chǎn)pplications
B.networks
C.protocols
D.systems
(3)A.portability
B.a(chǎn)vailability
C.calability
D.reliability
(4)A.connections
B.protocols
C.networks
D.a(chǎn)ddress
(5)A.a(chǎn)vailability
B.compatibility
C.capability
D.reliability
試題解析與討論:
m.xiexiliangjiufa.com/st/2377516881.html試題參考答案:C、A、A、D、B
試題
3: IPv6鏈路本地單播地址的前綴為(1),可聚集全球單播地址的前綴為 (2) 。
(1)A.001
B.1111 1110 10
C.1111 1110 11
D.1111 1111
(2)A.001
B.1111 1110 10
C.1111 1110 11
D.1111 1111
試題解析與討論:
m.xiexiliangjiufa.com/st/237682449.html試題參考答案:B、A
試題
4: If two communicating entities are in different hosts connected by a network,there is a risk that PDUs will not arrive inthe order inwhich theywere sent , becausethey may traverse(70)paths through the network. If each PDUs is given a uniquenumber,andnumbersareassigned(71),thenit isa logicallysimpletaskforthereceivingentityto reorder(72 )PDUsonthebasisofsequence number.Aproblem with this scheme is that,with a(73)sequence number field, sequence number will repeat.Evidently , the maximumsequence numbermustbe(74)thanthemaximumnumber ofPDUsthatcouldbe outstandingat anytime.
(70)A.same
B.different
C.single
D.Unique
(71)A.randomly
B.equally
C. uniformly
D. Sequentially
(72)A.received
B.sent
C.transmitting
D.Forwarding
(73)A.various
B.diverse
C.finite
D.infinite
(74)A.smaller
B.greater
C.less
D.More
試題解析與討論:
m.xiexiliangjiufa.com/st/3956410898.html試題參考答案:B、D、A、C、B
試題
5:
在RMON中,實(shí)現(xiàn)捕獲者(capture)時(shí)必須實(shí)現(xiàn) ( ) 。
A、事件組(event)
B、過(guò)濾組(filter)
C、警報(bào)組(alarm)
D、主機(jī)組(host)
試題解析與討論:
m.xiexiliangjiufa.com/st/85712951.html試題參考答案:B
試題
6:
ADSL 采用多路復(fù)用技術(shù)是 (1) ,最大傳輸距離可達(dá) (2) 米。
(1)A、TDM
B、FDM
C、WDM
D、CDMA
(2)A、500
B、1000
C、5000
D、10000
試題解析與討論:
m.xiexiliangjiufa.com/st/84912924.html試題參考答案:B、C
試題
7: 以下屬于萬(wàn)兆以太網(wǎng)物理層標(biāo)準(zhǔn)的是( )。
A.IEEE802.3u
B.IEEE802.3a
C.IEEE802.3e
D.IEEE802.3ae
試題解析與討論:
m.xiexiliangjiufa.com/st/233813108.html試題參考答案:D
試題
8: 在沒有選項(xiàng)和填充的情況下.IPv4數(shù)據(jù)報(bào)報(bào)頭長(zhǎng)度域的值應(yīng)該為(?。?br />A.3
B.4
C.5
D.6
試題解析與討論:
m.xiexiliangjiufa.com/st/316134647.html試題參考答案:C
試題
9:
( ) 是指按內(nèi)容訪問的存儲(chǔ)器。
A、虛擬存儲(chǔ)器
B、相聯(lián)存儲(chǔ)器
C、高速緩存(Cache)
D、隨機(jī)訪問存儲(chǔ)器
試題解析與討論:
m.xiexiliangjiufa.com/st/89303075.html試題參考答案:B
試題
10:
下面的交換機(jī)命令中哪一條為端口指定VLAN? ( )
A、S1(config-if)# vlan-membership static
B、S1(config-if)# vlan database
C、S1(config-if)# switchport mode access
D、S1(config-if)# switchport access vlan 1
試題解析與討論:
m.xiexiliangjiufa.com/st/87133000.html試題參考答案:D
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