Which statements are true regarding ICMP packets? ICMP guarantees datagram delivery. ICMP can provide hosts with information about network problems. ICMP is encapsulated within IP datagrams. ICMP is encapsulated within UDP datagrams.
Options: 1 only, 2 and 3, 1 and 4, All of the above
Which of the following is(are) true of system analysts?
Options: their responsibility is to analyze and design system software, they may be looked upon as an intermediary between users and programmers, they are heavily involved with the system-development life cycle, both (a) and (c)
Which of the following refers to a cursor type that when the cursor is opened, a primary key value is saved for each row in the recordset; when the application accesses a row, the key is used to fetch the current values of the row?
Options: (A)where the process will reside in memory, then absolute code can be generated (B) where the process will reside in memory, then the compiler must generate relocatable code (C) if the process can be moved during its execution from one memory segment to another (D) all of the above 27
Options: Uses the result of an inner query to determine the processing of an outer query., Uses the result of an outer query to determine the processing of an inner query., Uses the result of an inner query to determine the processing of an inner query., Uses the result of an outer query to determine the processing of an outer query.
In analyzing the compilation of PL/I program, the term "Syntax analysis" is associated with
Options: recognition of basic syntactic constructs through reductions, recognition of basic elements and creation of uniform symbols, creation of more optional matrix, use of macro processor to produce more optimal assembly code