642-770 試験問題を無料オンラインアクセス

What does this UNIX or Linux command provide?
for file in `find . -name '*.txt'`; do perl -i -pe 's|foo|bar|g' $file; done

• A.a string search for the words "foo" and "bar"
• B.a string replacement of the word "foo" to the word "bar"
• C.a string search for the words "foo" or "bar"
• D.a list of all text files with the words "foo" or "bar" in them

DRAG DROP

正解：

According to ITIL@ v3 framework, which of these is a standard change?

• A.a change that needs CAB authorization
• B.a medium-impact change
• C.a change that needs senior management approval
• D.a pre-authorized change

You have just completed periodic trend analysis of the network traffic. The trend is within expectations and within current network capacity. What should be the next step?

• A.Documentation of the trend analysis results - continue monitoring.
• B.Begin service take-up trend analysis.
• C.Formal notification of the results to capacity planning and network engineering continue monitoring.
• D.Nothing - continue monitoring.

You have just completed a comprehensive study of the traffic patterns in your network. As you review the results, you discover a remote office that has not had any particular problems. However, the volume of voice quality related tickets has increased in the last two weeks. Which two possible causes would the traffic study show? (Choose two.)

• A.QoS is missing from the circuit configuration to this site.
• B.The circuit to this location experiences brief periods of congestion and excessive retransmits during these periods.
• C.The circuit to this office has excessive errored seconds continuously through the day.
• D.The circuit to this office is significantly oversubscribed.
• E.The route to this office is suboptimal and during peak traffic may cause a delay in packet delivery.