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N10-004單項選擇題每日一練(2019.01.09)

單項選擇題
Which of the following is equipment provided by the telephone company that provides remotediagnostic and loopback services for subscriber lines?（）
A. 66 block
B. Demarc
C. Smart jack
D. 110 block
單項選擇題
Which of the following connector types is commonly identified by two rows of pins with four in onerow and five in the other?（）
A.DB-9
B.RJ-45
C.SC
D.BNC
單項選擇題
Which of the following is a secure method of copying information over a public network?（）
A.SCP
B.SMTP
C.SNMP
D.TFTP
單項選擇題
Which of the following would help a new administrator quickly determine if a network had a VLANfor its publicly accessible servers?（）
A. Baselines
B. Regulations
C. Logical network diagrams
D. Wiring schematics
單項選擇題
Which of the following devices allows multiple internal IP addresses to access an external websitewith minimal impact to the network bandwidth?（）
A. Proxy
B. Load balancer
C. Router
D. Bandwidth shaper

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