1. Which command would you give to update all installed packages using yum? $yum

ID: 3903262 • Letter: 1

Question

1. Which command would you give to update all installed packages using yum?

$yum check

$yum update

$yum check

$yum install

2. Suppose under your home directory there is a folder called objects,which contains three files: file1.o, file2.o, file3.o

Now you are under the directory of objects.

If you want to archive the three files to a location called /tmp/object.cpio.

The commands should be:

$ ls | cpio –ov > /tmp/object

$ ls | cpio –ov > /tmp/object.cpio

$ ls | cpio –ov < /tmp/object.cpio

$ ls | cpio –ov >> /tmp/object.cpio

3. Which of the following protocol is not supported by CUPS

IPP

LPD

UDP

LPR

1. Option #2

$yum update

2. Option #2

$ ls | cpio -ov > /tmp/object.cpio

3. Option #3

UDP

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