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Telecommunication exam questions with correct answers |verified
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Telecommunication exam questions with correct answers |verified
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Telecommunication exam questions withcorrect answers |verified
What are the differences between the POP3 and IMAP4 protocols? CORRECT ANSWERS Using POP3, email is downloaded to the client computer. Using IMAP4, the client application manages the email while it's stored on the server.
The Transmission Control Protocol (TCP) is considered to be a connectionless, or best-
effort delivery protocol.
TRUE OR FALSE CORRECT ANSWERS false
The Data Link layer attaches a trailer to the end of a packet, and does not include a header.
TRUE OR FALSE CORRECT ANSWERS false
What component of the backbone runs between a building's floors and can be used to connect an MDF and IDF or multiple IDFs?
patch cable
horizontal cross connect
diagonal cabling
vertical cross connect CORRECT ANSWERS vertical cross connect
What is NOT a TIA/EIA recognized cabling type that can be used for horizontal cabling? fiber-optic unshielded twisted pair (UTP) shielded twisted pair (STP) RG-6 Coaxial CORRECT ANSWERS fiber optic
Where is a demarc located in relation to the structured cabling of an enterprise environment? at the Intermediate Distribution Frame (IDF) between the MDF and the IDF in the work area in the Main Distribution Frame (MDF) CORRECT ANSWERS in the main distribution frame (MDF) What command can be used to check a domain computer's time source from a Command Prompt window? ntpd show source w32tm /query /source time --source date /source CORRECT ANSWERS w32tm/query/source
What are the three different types of port number ranges as defined by IANA? CORRECT ANSWERS well-known ports
registered ports
dynamic and private ports
What command can you utilize to display TCP/IP configuration information for each network adapter installed? ipconfig /all ipconfig /show ipconfig /list ipconfig /full CORRECT ANSWERS ipconfig/all
The IP connectionless protocol relies on what other protocol to guarantee delivery of data? ARP ICMP UDP TCP CORRECT ANSWERS TCP
IPv4 and IPv6 use the same packet format.
TRUE OR FALSE CORRECT ANSWERS false
The CTRL + S key combination can be used to stop an actively running command.
TRUE OR FALSE CORRECT ANSWERS false
Signals that can travel in only one direction on a medium are referred to as what type of signal? duplex half-duplex full-duplex simplex CORRECT ANSWERS full-duplex
The 1000Base-LX utilizes light with what wavelength? 1550 nanometers 1300 nanometers 850 nanometers 1200 nanometers CORRECT ANSWERS 1300 nanometers
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