Atechnicianisservicingacustomer’scolorlaserprinterandnoticesexcesstonerintheprinter.WhichofthefollowingtoolswouldBESTassistthetechnicianinremovingtheexcesstoner?()
A. Damptowel
B. Compressedair
C. Alcoholwipe
D. Computervacuum
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Whichofthefollowingcommandsisusedtodeleteanemptydirectory?()
A. RD
B. EDIT
C. DIR
D. FORMAT
Bydefault,howdoestherouterhandlechangestoitsoperationalconfiguration?()
A. Changesarenotimplemented,butaresavedautomatically.
B. Changesarenotimplementedandmustbewrittenintomemory.
Changesareimplementedimmediatelyandsavedautomatically.
D. Changesareimplementedimmediately,butmustbewrittenintomemory.
Anetworkingdevicethatsendspacketstoallconnectionsisa:()
A. gateway.
B. hub.
C. switch.
D. router.
WhichofthefollowingkeysispressedtoentertheWindowsbootoptionsafterPOST?()
A. F1
B. F8
C. F10
D. F12