单项选择题

Which of the following is primarily used for VoIP?（）

A.TLS
B.RDF
C.NTP
D.RTP

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多项选择题

A user in the accounting department reports that their office is able to connect to the network, but
they are unable to connect to the Internet.
Which of the following documentation would be the MOST useful to the administrator in diagnosing this issue?（） (Select TWO).

A. Physical network diagram
B. Job log
C. Acceptable use policy
D. Baseline documentation
E. Wiring schematic

单项选择题

Which of the following describes 1Gigabit Ethernet?（）

A.10GBase-ER
B.10Base-2
C.1000Base-T
D.100Base-5

单项选择题

Session affinity is a feature of which of the following devices?（）

A. DNS server
B. DHCP server
C. Load balancer
D. IPS