Cisco meilleur examen 646-048, questions et réponses

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Code d'Examen: 646-048
Nom d'Examen: Cisco (Advanced Routing and Switching for Account Manager)
Questions et réponses: 50 Q&As

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NO.1 Which statement is true regarding IPv6?
A.Nowadays, all devices in the network support IPv6.
B.IPv6 has built-in and always-on security features, eliminating the need for additional security
products in
the network.
C.Cisco Transformative Networking Initiative provides an analysis of the network regarding the
device
capabilities to support IPv6.
D.IPv6 is a technology that is only applicable to service provider core networks.
Answer: C

certification Cisco   certification 646-048   646-048   646-048

NO.2 Which three are main drivers for changing operations? (Choose three.)
A.change of market trends
B.change of competition
C.change of application software version
D.change of relative strengths
E.migration of the enterprise network to IPv6
F.migration to Cisco single-vendor networking solution
Answer: ABD

Cisco   646-048   646-048

NO.3 Which three statements accurately describe the evolution of the workplace and the
importance of the
network? (Choose three.)
A.Mobility causes location borders to shift.
B.Cloud services cause end-user locations to shift.
C.Cloud services cause application borders to shift.
D.IT consumerization causes location borders to shift.
E.IT consumerization causes device borders to shift.
Answer: ACE

certification Cisco   646-048 examen   646-048   646-048

NO.4 What does not need to be considered when looking into the customer workflow?
A.How does the customer access the online software solutions?
B.How many different switch products are in use at the customer network?
C.How can the service partner instantly connect with outsourced engineers?
D.How can customer and service collaborate and start video communication?
Answer: B

certification Cisco   certification 646-048   certification 646-048

NO.5 Which of the following statements best describes the strategic importance of the network?
A.The network is most important for internal applications.
B.The network is most important for providing customers with access to company services.
C.The network supports business processes by integrating people and devices with applications.
D.The network integrates internal and external users and their devices.
Answer: D

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Code d'Examen: 646-048

Nom d'Examen: Cisco (Advanced Routing and Switching for Account Manager)

Questions et réponses: 50 Q&As

Code d'Examen: 644-068

Nom d'Examen: Cisco (Advanced Routing and Switching for Field Engineers - ARSFE)

Questions et réponses: 50 Q&As

Code d'Examen: 200-120

Nom d'Examen: Cisco (CCNA Cisco Certified Network Associate CCNA (803))

Questions et réponses: 267 Q&As

Code d'Examen: 200-101

Nom d'Examen: Cisco (Interconnecting Cisco Networking Devices Part 2 (ICND2))

Questions et réponses: 95 Q&As

Code d'Examen: 100-101

Nom d'Examen: Cisco (CCNA Interconnecting Cisco Networking Devices 1 (ICND1))

Questions et réponses: 102 Q&As

Code d'Examen: 644-066

Nom d'Examen: Cisco (Routing and Switching Solutions for System Engineers - RSSSE)

Questions et réponses: 50 Q&As

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NO.1 Which protocol uses a connection-oriented service to deliver files between end systems?
A. TFTP
B. DNS
C. FTP
D. SNMP
E. RIP
Answer: C

Cisco   certification 100-101   100-101   100-101   100-101
Explanation:
FTP is an acronym for File Transfer Protocol. As the name suggests, FTP is used to transfer files
between computers on a network. You can use FTP to exchange files between computer accounts,
transfer files between an account and a desktop computer, or access online software archives

NO.2 Refer to the exhibit.
If the hubs in the graphic were replaced by switches, what would be virtually eliminated?
A. broadcast domains
B. repeater domains
C. Ethernet collisions
D. signal amplification
E. Ethernet broadcasts
Answer: C

certification Cisco   100-101 examen   100-101
Explanation:
Modern wired networks use a network switch to eliminate collisions. By connecting each device
directly to a port on the switch, either each port on a switch becomes its own collision domain (in
the case of half duplex links) or the possibility of collisions is eliminated entirely in the case of full
duplex links.

NO.3 Which three statements are true about the operation of a full-duplex Ethernet network?
(Choose three.)
A. There are no collisions in full-duplex mode.
B. A dedicated switch port is required for each full-duplex node.
C. Ethernet hub ports are preconfigured for full-duplex mode.
D. In a full-duplex environment, the host network card must check for the availability of the network
media before transmitting.
E. The host network card and the switch port must be capable of operating in full-duplex mode.
Answer: A,B,E

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NO.4 Refer to the exhibit.
The host in Kiev sends a request for an HTML document to the server in Minsk. What will be the
source IP address of the packet as it leaves the Kiev router?
A. 10.1.0.1
B. 10.1.0.5
C. 10.1.0.6
D. 10.1.0.14
E. 10.1.1.16
F. 10.1.2.8
Answer: E

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Explanation:
Although the source and destination MAC address will change as a packet traverses a network, the
source and destination IP address will not unless network address translation (NAT) is being done,
which is not the case here.

NO.5 Which layer of the TCP/IP stack combines the OSI model physical and data link layers?
A. Internet layer
B. transport layer
C. application layer
D. network access layer
Answer: D

certification Cisco   100-101   100-101   100-101 examen
Explanation:
The Internet Protocol Suite, TCP/IP , is a suite of protocols used for communication over the internet.
The TCP/IP model was created after the OSI 7 layer model for two major reasons. First, the
foundation of the Internet was built using the TCP/IP suite and through the spread of the World
Wide Web and Internet, TCP/IP has been preferred. Second, a project researched by the
Department of Defense (DOD) consisted of creating the TCP/IP protocols. The DOD's goal was to
bring international standards which could not be met by the OSI model. Since the DOD was the
largest software consumer and they preferred the TCP/IP suite, most vendors used this model rather
then the OSI. Below is a side by side comparison of the TCP/IP and OSI models.
TCP/IP Model VS. OSI Model Application Layer 7 Application Layer 6 Presentation Layer 5 Session
Transport Layer 4 Transport Internet Layer 3 Network Network Access Layer 2 Data Link Layer 1
Physical

NO.6 Refer to the exhibit.
If host A sends an IP packet to host B, what will the source physical address be in the frame when it
reaches host B?
A. 10.168.10.99
B. 10.168.11.88
C. A1:A1:A1:A1:A1:A1
D. B2:B2:B2:B2:B2:B2
E. C3:C3:C3:C3:C3:C3
F. D4:D4:D4:D4:D4:D4
Answer: E

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Explanation:
When packets transfer from one host to another across a routed segment, the source IP address
always remains the same source IP address, and the source physical (MAC) address will be the
existing router's interface address. Similarly, the destination IP address always remains the same
and the destination physical (MAC) address is the destination router's interface address.

NO.7 Refer to the exhibit.
HostX is transferring a file to the FTP server. Point A represents the frame as it goes toward the
Toronto router. What will the Layer 2 destination address be at this point?
A. abcd.1123.0045
B. 192.168.7.17
C. aabb.5555.2222
D. 192.168.1.1
E. abcd.2246.0035
Answer: E

Cisco   100-101 examen   100-101 examen   100-101 examen
Explanation:
For packets destined to a host on another IP network, the destination MAC address will be the LAN
interface of the router. Since the FTP server lies on a different network, the host will know to send
the frame to its default gateway, which is Toronto.

NO.8 Which OSI layer header contains the address of a destination host that is on another network?
A. application
B. session
C. transport
D. network
E. data link
F. physical
Answer: D

Cisco   100-101 examen   100-101   100-101 examen
Explanation:
Only network address contains this information. To transmit the packets the sender uses network
address and datalink address. But the layer 2 address represents just the address of the next hop
device on the way to the sender. It is changed on each hop. Network address remains the same.