CND Exam 1 Questions and Answers 2025
T/F: jInternet jis ja jnetwork jof jnetworks jthat jconsists jof jprivate, jpublic, jacademic,
jbusiness, jand jgovernment jnetworks jof jlocal jto jglobal jscope, jlinked jby ja jbroad
jarray jof jelectronic, jwireless, jand joptical jnetworking jtechnologies. j- jANS✓✓-
True
T/F: jThe jhost, jweb jserver, jis jnot jconsidered jas jan jend jsystem. j- jANS✓✓-False
List jtwo jcommon jtransport jlayer jprotocols jused jby jthe jInternet. j(Please jdo jnot
juse jabbreviation) j- jANS✓✓-Transmission jControl jProtocol j(TCP) jand jUser
jDatagram jProtocol j(UDP)
Which jof jthe jfollowing jis jnot jconsidered ja jcomputer jmalware?
A) jWorms
B) jTrojan jHorse
C) jDenial-of-Service
D) jViruses j- jANS✓✓-C) jDenial-of-Service
Which jof jthe jfollowing jprotocol jlayer jis jnot jprocessed jby ja jnetwork jrouter?
A) jData jlink jLayer
B) jNetwork jLayer
C) jPhysical jLayer
D) jTransport jLayer j- jANS✓✓-D) jTransport jLayer
T/F: jThe jprotocol jonly jdefines jtransmission jaspect jof jthe jdata jcommunications.
jIt jdoesn't jprovide jformat jof jthe jmessage jbeing jtransferred. j- jANS✓✓-False
T/F: jIn jthe jclient/server jmodel, ja jserver jprogram jtypically jrequests jand jreceives
jservices jfrom jthe jclient jprogram j- jANS✓✓-False
A______ jnetwork jcan jguarantee ja jcertain jamount jof jend-to-end jbandwidth,
jwhere jas j______ jnetwork jis jgenerally jconsidered jbest jeffort jin jterms jof jdata
jdelivery. j- jANS✓✓-Circuit jswitching, jpacket jswitching
Which jof jthe jfollowing jis jNOT jan jInternet jaccess jtechnology jthat jwere
jdiscussed jin jour jlecture?
A) jWired jEthernet jconnection
B) jSerial jPort jconnection
C) jWi-Fi jconnection
T/F: jInternet jis ja jnetwork jof jnetworks jthat jconsists jof jprivate, jpublic, jacademic,
jbusiness, jand jgovernment jnetworks jof jlocal jto jglobal jscope, jlinked jby ja jbroad
jarray jof jelectronic, jwireless, jand joptical jnetworking jtechnologies. j- jANS✓✓-
True
T/F: jThe jhost, jweb jserver, jis jnot jconsidered jas jan jend jsystem. j- jANS✓✓-False
List jtwo jcommon jtransport jlayer jprotocols jused jby jthe jInternet. j(Please jdo jnot
juse jabbreviation) j- jANS✓✓-Transmission jControl jProtocol j(TCP) jand jUser
jDatagram jProtocol j(UDP)
Which jof jthe jfollowing jis jnot jconsidered ja jcomputer jmalware?
A) jWorms
B) jTrojan jHorse
C) jDenial-of-Service
D) jViruses j- jANS✓✓-C) jDenial-of-Service
Which jof jthe jfollowing jprotocol jlayer jis jnot jprocessed jby ja jnetwork jrouter?
A) jData jlink jLayer
B) jNetwork jLayer
C) jPhysical jLayer
D) jTransport jLayer j- jANS✓✓-D) jTransport jLayer
T/F: jThe jprotocol jonly jdefines jtransmission jaspect jof jthe jdata jcommunications.
jIt jdoesn't jprovide jformat jof jthe jmessage jbeing jtransferred. j- jANS✓✓-False
T/F: jIn jthe jclient/server jmodel, ja jserver jprogram jtypically jrequests jand jreceives
jservices jfrom jthe jclient jprogram j- jANS✓✓-False
A______ jnetwork jcan jguarantee ja jcertain jamount jof jend-to-end jbandwidth,
jwhere jas j______ jnetwork jis jgenerally jconsidered jbest jeffort jin jterms jof jdata
jdelivery. j- jANS✓✓-Circuit jswitching, jpacket jswitching
Which jof jthe jfollowing jis jNOT jan jInternet jaccess jtechnology jthat jwere
jdiscussed jin jour jlecture?
A) jWired jEthernet jconnection
B) jSerial jPort jconnection
C) jWi-Fi jconnection
