Which statement describes an ISDN PRI?
A. ISDN PRI is a full T3 line, carrying 23 B channels.
B. ISDN PRI is a full T3 line, carrying 23 DS0 channels.
C. ISDN PRI is a full T1 line, carrying 23 B channels.
D. ISDN PRI is a full T1 line, carrying 23 DS0 channels.
Answer: C
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Create an XML document and an XML Schema for the Hotel Schema given in the Exercises at the end of Chapter 4. Now attempt to write XQuery expressions for Exercises 6.7 – 6.26.
6.7 List full details of all hotels. 6.8 List full details of all hotels in London. 6.10 List all double or family rooms with a price below £40.00 per night, in ascending order of price. 6.12 How many hotels are there? 6.13 What is the average price of a room? 6.14 What is the total revenue per night from all double rooms? 6.15 How many different guests have made bookings for August? 6.16 List the price and type of all rooms at the Grosvenor Hotel. 6.17 List all guests currently staying at the Grosvenor Hotel. 6.22 List the number of rooms in each hotel. 6.23 List the number of rooms in each hotel in London.
An ideal surrogate key is short, alpha-numeric, and never changes
Indicate whether the statement is true or false
You have been tasked with configuring a SOHO network in which all ports on the public untrusted network will be forwarded to one workstation connected to the LAN. Which of the following features will you configure on the SOHO router to accomplish this task?
A. Port forwarding B. MAC filtering C. Demilitarized zone D. Quality of service
What is the output of the following statements? cout
A. 12345678901234567890 ***18 Happy Sleepy B. 12345678901234567890 ***18**Happy**Sleepy C. 12345678901234567890 ***18**Happy Sleepy D. 12345678901234567890 ***18**Happy Sleepy**