2013年9月27日星期五

Exam 50-649 questions and answers

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Exam Code: 50-649
Exam Name: Novell (Tcp/ip for Networking professionals)
One year free update, No help, Full refund!
Total Q&A: 149 Questions and Answers
Last Update: 2013-09-27

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NO.1 When do RIP routers advertise their routing information?
A.Every 30 seconds
B.Every 60 seconds
C.Anytime a change occurs
D.When a request for information is received
Correct:A

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NO.2 Which protocol is used for generic communication between proxies or gateways and other
Internet systems?
A.FTP
B.SMTP
C.POP3
D.HTTP
E.Gopher
Correct:D

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NO.3 Which steps are part of the TCP/IP error resolution process? (Choose 2.)
A.List all operating systems in use.
B.Examine the communication process.
C.Begin capturing all network packets.
D.Identify the possible points of failure.
Correct:B D

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NO.4 Which tool do you use to determine active processes on a host?
A.ROUTE
B.PING/TPING
C.TRACEROUTE
D.Port scanner
Correct:D

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NO.5 Perform the drag-and-drop task. Begin by clicking the Drag-and-Drop button. When you finish,
continue to the next question by clicking the Next button. The graphic shows the steps for data
exchange between a server and a requesting client application using the TCP protocol. Two steps
are already in place. Arrange the remaining steps in the correct order by dragging each step to the
correct location.
Correct:
Green choice2---->Yellow Choice1
Green choice5---->Yellow Choice2
Green choice6---->Yellow Choice3
Green choice3---->Yellow Choice4
Green choice4---->Yellow Choice5
Green choice1---->Yellow Choice6

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NO.6 Which protocol works in conjunction with IP to report errors?
A.TCP
B.UDP
C.IRC
D.ICMP
E.SNMP
F.IGMP
G.TELNET
Correct:D

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NO.7 Which Windows utilities can you use to examine the host's local IP address? (Choose 2.)
A.PING
B.WINIPCFG
C.IPCONFIG
D.PORTSCAN
E.TRACEROUTE
Correct:B C

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NO.8 How often does an OSPF router rebuild its routing table information?
A.Every 30 seconds
B.Every 60 seconds
C.Every five minutes
D.Every hour
E.At a predetermined interval
F.Only when a change occurs
Correct:F

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NO.9 What TCP/IP protocol allows users to remotely access a system as if they were directly
connected to the remote machine? (Enter the acronym only.) Answer:
A.TELNET
Correct:A

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NO.10 Your company uses the IP address 168.212.0.0 with subnets 168.212.64.0 and 168.212.128.0.
What is the appropriate subnet mask for your company?
A.255.255.0.0
B.255.255.128.0
C.255.255.192.0
D.255.255.224.0
E.255.255.255.0
F.255.255.255.128
G.255.255.255.192
H.255.255.255.224
Correct:C

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NO.11 What is a typical error symptom of a network that was not configured with a required DHCP
relay agent?
A.Clients cannot access their default gateway.
B.Clients cannot obtain an IP address using DHCP.
C.Clients cannot ping devices on another network.
D.Clients cannot use host names to reach other devices.
Correct:B

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NO.12 What does TFTP use to maintain data packet order?
A.Pointers
B.Sequence numbers
C.Acknowledgements
D.Fixed-length packets
E.A single data packet
Correct:C

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NO.13 Which mechanisms can be used to obtain a dynamic IP address? (Choose 3.)
A.DNS
B.ARP
C.DHCP
D.RARP
E.ICMP
F.PING
G.BOOTP
Correct:C D G

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NO.14 Examine the graphic below.
A.2
B.3
C.4
D.15
E.16
F.Router C does not advertise routes for Network 6 over Network 3.
Correct:F

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NO.15 Which routing configuration provides a method for explicitly defining the next hop from a
router to a particular destination?
A.Static
B.Dynamic
C.Directed
D.Link state
E.Distance vector
Correct:A

Novell   50-649 original questions   50-649   50-649 pdf   50-649

NO.16 What symptom can occur on a network when clients are configured with an incorrect subnet
mask?
A.Clients ARP for remote devices.
B.Dynamic route entries are added unnecessarily.
C.Clients cannot obtain an IP address using DHCP.
D.Routers send ICMP port unreachable messages for remote devices.
Correct:A

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NO.17 How many keys are used for public-key encryption? (Enter a number.) Answer:
A.2
Correct:A

Novell   50-649 original questions   50-649   50-649 pdf   50-649

NO.18 Examine the graphic below.
A.1
B.2
C.3
D.4
E.15
F.16
G.Router B does not advertise routes for Network 7 on Network 2.
Correct:B

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NO.19 What class of IP address is shown below? 233.4.71.222
A.Class A
B.Class B
C.Class C
D.Class D
E.Class E
Correct:D

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NO.20 Which protocol provides hypermedia access to resources? (Enter the abbreviation only.)
Answer:
A.HTTP
Correct:A

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