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You are the network administrator at CertKing . You want to apply an access control list that will prevent
telnet connections to network 10.10.10.0/24.
Which of the following access list statements can you use to accomplish this?A. access-list 2 deny tcp 10.10.10.0 255.255.255.0 eq telnetB. access-list 2 deny udp any 10.10.10.0 eq 25C. access-list 2 deny udp any 10.10.10.0 eq 23D. access-list 2 deny tcp any 10.10.10.0 0.0.0.255 eq 23E. access-list 2 deny telnet any 10.10.10.0 0.0.0.255 eq 25Ans: D
Reference:
CCNA Self-Study CCNA ICND exam certification Guide (Cisco Press, ISBN 1-58720-083-X) Page 439
Q37
With regard to full-duplex Ethernet and half-duplex Ethernet, which of the following statements are
true? (Choose all that apply.)A. Full-duplex Ethernet consists of a shared broadcast domain, while half-duplex Ethernet consists of a
private broadcast domain.B. Full-duplex Ethernet is collision free, while half-duplex Ethernet is subject to collisions.C. Full-duplex Ethernet provides higher throughput than half-duplex Ethernet.D. Full-duplex Ethernet provides lower throughput than half-duplex Ethernet.E. Full-duplex Ethernet consists of a shared collision domain, while half-duplex Ethernet consists of a
private collision domain.Ans: B C
Explanation:
A single device could not be sending a frame and receiving a frame at the same time because it would mean that
a collision was occurring. So, devices simply chose not to send a frame while receiving a frame. That logic is
called half-duplex logic.
Ethernet switches allow multiple frames to be sent over different ports at the same time. Additionally, if only
one device is connected to a switch port, there is never a possibility that a collision could occur. So, LAN
switches with only one device cabled to each port of the switch allow the use of full-duplex operation. Full
duplex means that an Ethernet card can send and receive concurrently.
Reference:
CCNA Self-Study CCNA INTRO exam certification Guide (Cisco Press, ISBN 1-58720-094-5) Page 62-63
Q38
Which of the following commands uses ICMP echo messages to verify connectivity between two hosts?A. pingB. tracertC. netstatD. show ip neighbors detailE. show ip routeF. tracerouteAns: A
Explanation:
The ping command sends an ICMP echo request packet to the stated destination address. The TCP/IP software
at the destination then replies to the ping echo request packet with a similar packet, called ICMP echo reply.
Reference:
CCNA Self-Study CCNA ICND exam certification Guide (Cisco Press, ISBN 1-58720-083-X) Page 146
Q39
Wit regard to bridges and switches, which of the following statements are true? (Choose all that apply.)A. Switches are primarily software based while bridges are hardware based.B. Both bridges and switches forward Layer 2 broadcasts.C. Bridges are faster than switches.D. Switches typically have a higher number of ports than bridges.E. Bridges define broadcast domain while switches define collision domains.F. Both bridges and switches make forwarding decisions based on Layer 2 addresses.Ans: B D F
Q10
You are a Cisco Unity subscriber. What can you change using the Cisco Unity Assistant?A. Mailstore.C. Extension ID.D. Email signature.E. Standard Greeting.Ans: E
Q11
You are a Cisco Unity subscriber. Which of the following can you manage using the
Cisco Unity Assistant? (Choose all that apply.)A. Password.B. Class of service.C. Message playback.D. Message notification.E. Public distribution lists.Ans: A, C, D
Q12
What is the correct call handler settings when you want it to a greeting once, then play a
school closing announcement after which it must hang up?A. Transfer Incoming Calls set to "Yes" and After Greeting actions set to "Hangup".B. Transfer Incoming Calls set to "no" after silence.C. Transfer Incoming Calls set to "No" and After Greeting action set to "Goodbye".D. Transfer Incoming Calls set to "No" and After Greeting action set to "Hangup".E. Reprompt User After This Many Seconds Of Silence set to "2" and Transfer Incoming
Calls to "No".Ans: D
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