An application or service that encounters a domain name for which it needs an IP address is known as which of the following?
A. address request
B. TCP/IP client
C. caching server
D. DNS client
Answer: B
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Processes use semaphores
A. to send small integer values to each other B. to coordinate access to shared resources
Answer the following statements true (T) or false (F)
1. DVD is the standard UNIX block device. 2. A UNIX disk’s surface is divided into the boot block, a super block, the i-list, and space to hold data and/or directories. 3. To the UNIX user’s process, an open file is identified by a file descriptor, a small, nonnegative integer number. 4. When a file is created or an existing file grows, UNIX scans the FAT list and allocates space to the file. 5. Under UNIX, all character I/O takes place through a buffer pool located in the operating system.
In Word's order of operations, which of the following is the first step in evaluating an expression?
A) Performing multiplication B) Evaluating parenthetical information C) Performing division D) Performing subtraction
The ____ extends ClassLoader with additional support for defining classes with an associated code source and permissions that are retrieved by the system policy by default.
A. SecureClassLoader B. URLClassLoader C. PolicyClassLoader D. DomainClassLoader