试题详情
- 单项选择题Which of the following WAN protocols is a packet switching technology?（）
A、Frame Relay
B、POTS
C、PSTN
D、ISDN
- A
关注下方微信公众号，在线模考后查看
热门试题
- Which of the followi
- "Gas-Plasma displays
- Which of the followi
- Which of the followi
- Which of
- Which of the followi
- Which of the followi
- Which of
- A user receives an
- A home user wants to
- Which of the followi
- A user reports being
- Which of
- Which of the followi
- In a Wind
- If a technician susp
- An end user reports
- Which of
- Which of the followi
- A user is unable to