Tag: mainframe

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Questions Related to mainframe

Multiple choice technology mainframe

The syntax: //INPUT DD * is used for what purpose?

  1. To specify that this DDNAME refers to a null dataset

  2. To specify that this DDNAME refers to the same dataset as the prior DD statement

  3. To specify that the data is contained in the JCL stream immediately after this DD statement

  4. To specify that the DDNAME refers to the same dataset as the DD statement with DDNAME of INPUT in the prior job step
Reveal answer Fill a bubble to check yourself
C Correct answer
Full explanation
Multiple choice technology mainframe

What is the relationship of the Layered Network Models of TCP/IP, OSI, and SNA?

  1. SNA is an internal construction in z/OS and does not allow for end points.

  2. They are the same except that the OSI model inverts the layers top to bottom.

  3. They have the same layers with the exact same functions in each layer, but the names are different.

  4. The layers are conceptually similar but differ in name and details of what functions are in which layers.
Reveal answer Fill a bubble to check yourself
D Correct answer
Full explanation
Multiple choice technology mainframe

A mainframe customer wants to add a web site for customer orders. They plan to tightly couple the web site to their existing back office z/OS applications. Which of the following describes an effective implementation?

  1. Bring in another System z machine

  2. Implement a firewall on the mainframe and use WebSphere to enable the web site on a Linux server.

  3. Implement a firewall on a new, small Unix server and use WebSphere to enable the web site on the mainframe

  4. Implement a firewall on a new Windows XP server and use WebSphere to enable the web site on a new Windows XP server.
Reveal answer Fill a bubble to check yourself
C Correct answer
Full explanation
Multiple choice technology mainframe

If a data set with text information is created using ISPF edit, the dataset is copied to magnetic tape, and the magnetic tape is then copied to a PC (e.g. Windows), what will a user see who displays the file on the PC?

  1. Clear text, but with punctuation corrupted

  2. The exact same text as seen in ISPF on the mainframe

  3. An odd mixture of unintelligible and unprintable characters

  4. The results of the encryption used in every mainframe data set
Reveal answer Fill a bubble to check yourself
C Correct answer
Full explanation