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質問 1：
In an enterprise's VoIP network, IP phone A registers with the U1981, and POTS phone B registers with the same U1981 through an IAD.
During a call between phones A and B, which of the following statements are correct about signaling and media streams? (Multiple Choice)
A. The flow for signaling streams is the same as that for media streams.
B. If eSpace U1981 fails (when the call between phones A and B has been continued for 5 minutes), the call between phones A and B is disconnected immediately.
C. Signaling streams must traverse eSpace U1981, while media streams do not.
D. Media streams are transmitted directly between IP phone A and the IAD.
正解：C,D
質問 2：
Which of the following statements is INCORRECT about the mode for obtaining the IAD IP address?
A. Allow eSight to deliver the IAD IP address.
B. Set a static IP address for the IAD.
C. Obtain the IP address through PPPoE.
D. Dynamically obtain the IP address through DHCP.
正解：A
質問 3：
Faxes can be sent and received through Internet intransparent transmission or T.38 mode. The difference is that faxes are transmitted as voice packets over Internet intransparent transmission mode while as data packets over Internet in T.38 mode.
A. TRUE
B. FALSE
正解：A
質問 4：
When scheduling the multi-point voice conference, the U1960 provides conference resources through the () board
A. SCU
B. DTU
C. ASI
D. MTU
正解：D
質問 5：
If a company director that has enabled the secretary service uses any shared line to call phone numbers of customers, the same number is displayed on the phones of the customers.
A. TRUE
B. FALSE
正解：A
In an enterprise's VoIP network, IP phone A registers with the U1981, and POTS phone B registers with the same U1981 through an IAD.
During a call between phones A and B, which of the following statements are correct about signaling and media streams? (Multiple Choice)
A. The flow for signaling streams is the same as that for media streams.
B. If eSpace U1981 fails (when the call between phones A and B has been continued for 5 minutes), the call between phones A and B is disconnected immediately.
C. Signaling streams must traverse eSpace U1981, while media streams do not.
D. Media streams are transmitted directly between IP phone A and the IAD.
正解：C,D
質問 2：
Which of the following statements is INCORRECT about the mode for obtaining the IAD IP address?
A. Allow eSight to deliver the IAD IP address.
B. Set a static IP address for the IAD.
C. Obtain the IP address through PPPoE.
D. Dynamically obtain the IP address through DHCP.
正解：A
質問 3：
Faxes can be sent and received through Internet intransparent transmission or T.38 mode. The difference is that faxes are transmitted as voice packets over Internet intransparent transmission mode while as data packets over Internet in T.38 mode.
A. TRUE
B. FALSE
正解：A
質問 4：
When scheduling the multi-point voice conference, the U1960 provides conference resources through the () board
A. SCU
B. DTU
C. ASI
D. MTU
正解：D
質問 5：
If a company director that has enabled the secretary service uses any shared line to call phone numbers of customers, the same number is displayed on the phones of the customers.
A. TRUE
B. FALSE
正解：A
Maejima -
必要な知識をしっかり身に付けることができる。これ問題集一つで合格できるって本当ですね。