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Cisco Data Center Unified Computing Infrastructure Design Exam Dumps

500-901 Exam Format | Course Contents | Course Outline | Exam Syllabus | Exam Objectives

Exam Details:
- Number of Questions: The Cisco Data Center Unified Computing Infrastructure Design (DCICN) exam typically consists of around 65 to 75 multiple-choice and multiple-answer questions. The exact number of questions may vary.

- Time: Candidates are given 90 minutes to complete the exam. It is important to manage time effectively to ensure all questions are answered within the allocated time.

Course Outline:
The Cisco DCICN exam focuses on validating the knowledge and skills required to design Cisco Data Center Unified Computing Infrastructure solutions. The exam covers various topics related to data center infrastructure design. While the specific course outline may vary, the exam generally covers the following key areas:

1. Data Center Compute:
- Designing compute platforms for data centers.
- Understanding different compute technologies, such as blade servers, rack servers, and modular servers.
- Designing high-availability compute solutions.

2. Data Center Networking:
- Designing network infrastructure for data centers.
- Understanding data center networking technologies, such as LAN, WAN, and fabric networking.
- Designing network redundancy and high availability.

3. Data Center Storage:
- Designing storage infrastructure for data centers.
- Understanding different storage technologies, such as SAN, NAS, and object storage.
- Designing storage redundancy and high availability.

4. Data Center Virtualization:
- Designing virtualization solutions for data centers.
- Understanding virtualization technologies, such as server virtualization and network virtualization.
- Designing highly available and scalable virtualized environments.

5. Data Center Automation and Orchestration:
- Designing automation and orchestration solutions for data centers.
- Understanding automation technologies, such as scripts and APIs.
- Designing self-service portals and resource provisioning workflows.

Exam Objectives:
The objectives of the Cisco DCICN exam typically include:
- Assessing the candidate's understanding of data center compute technologies and their design considerations.
- Evaluating the candidate's knowledge of data center networking technologies and their design principles.
- Testing the candidate's proficiency in data center storage design and high availability.
- Assessing the candidate's understanding of data center virtualization technologies and their design considerations.
- Evaluating the candidate's knowledge of data center automation and orchestration solutions.

Exam Syllabus:
The specific exam syllabus for the Cisco Data Center Unified Computing Infrastructure Design exam may vary, but it generally includes the following topics:

1. Compute Design:
- Compute technologies
- High-availability compute solutions

2. Network Design:
- Data center networking technologies
- Network redundancy and high availability

3. Storage Design:
- Storage technologies
- Storage redundancy and high availability

4. Virtualization Design:
- Virtualization technologies
- Highly available and scalable virtualized environments

5. Automation and Orchestration Design:
- Automation technologies
- Self-service portals and resource provisioning workflows

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500-901
Cisco Data Center Unified Computing Infrastructure
Design
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Question: 189
Which layer of the OSI model controls the reliability of communications between network devices using flow control, sequencing and acknowledgments?
A. Physical
B. Data-link
C. Transport
D. Network
Answer: C
Explanation:
Question: 190
Which transport layer protocol provides best-effort delivery service with no acknowledgment receipt required?
A. HTTP
B. IP
C. TCP
D. Telnet
E. UDP
Answer: E
Explanation:
UDP provides a connectionless datagram service that offers best-effort delivery, which means that UDP does not guarantee delivery or verify sequencing for any datagrams. A source host that needs reliable communication must use
either TCP or a program that provides its own sequencing and acknowledgment services.
Question: 191
Refer to the exhibit.
A network device needs to be installed in the place of the icon labeled Network Device to accommodate a leased line attachment to the Internet. Which network device and interface configuration meets the minimum requirements for
this installation?
A. a router with two Ethernet interfaces
B. a switch with two Ethernet interfaces
C. a router with one Ethernet and one serial interface
D. a switch with one Ethernet and one serial interface
E. a router with one Ethernet and one modem interface
Answer: C
Explanation:
Only a router can terminate a leased line attachment access circuit, and only a router can connect two different IP networks. Here, we will need a router with two interfaces, one serial connection for the line attachment and one
Ethernet interface to connect to the switch on the LAN.
Question: 192
Refer to the exhibit.
Mary is sending an instant message to Robert. The message will be broken into a series of packets that will traverse all network devices. What addresses will populate these packets as they are forwarded from Router1 to Router2?
A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
Answer: B
Explanation:
The Source and Destination IP address is not going to change. Host 1 IP address will stay as being the source IP and the Host 2 IP address will stay the destination IP address. Those two are not going to change.
For the MAC address it is going to change each time it goes from one hope to another. (Except switches� they don�t change anything)
Frame leaving HOST 1 is going to have a source MAC of Host 1 and a destination MAC of Router 1.
Router 1 is going to strip that info off and then will make the source MAC address of Router1�s exiting interface, and making Router2�s interface as the destination MAC address.
Then the same will happen� Router2 is going to change the source/destination info to the source MAC being the Router2 interface that it is going out, and the destination will be Host2�s MAC address.
Question: 193
Refer to the exhibit.
As packets travel from Mary to Robert, which three devices will use the destination MAC address of the packet to determine a forwarding path? (Choose three.)
A. Hub1
B. Switch1
C. Router1
D. Switch2
E. Router2
F. Switch3
Answer: BDF
Explanation:
Switches use the destination MAC address information for forwarding traffic, while routers use the destination IP address information.
Local Area Networks employ Layer 2 Switches and Bridges to forward and filter network traffic. Switches and Bridges operate at the Data Link Layer of the Open System Interconnect Model (OSI). Since Switches and Bridges operate
at the Layer 2 they operate more intelligently than hubs, which work at Layer 1 (Physical Layer) of the OSI. Because the switches and bridges are able to listen to the traffic on the wire to examine the source and destination MAC
address. Being able to listen to the traffic also allows the switches and bridges to compile a MAC address table to better filter and forward network traffic.
To accomplish the above functions switches and bridges carry out the following tasks:
MAC address learning by a switch or a bridge is accomplished by the same method. The switch or bridge listens to each device connected to each of its ports and scan the incoming frame for the source MAC address. This creates a
MAC address to port map that is cataloged in the switches/bridge MAC database. Another name for the MAC address table is content addressable memory or CAM table.
When a switch or bridge is listening to the network traffic, it receives each frame and compares it to the MAC address table. By checking the MAC table the switch/ bridge are able o determine which port the frame came in on. If the
frame is on the MAC table the frame is filtered or transmitted on only that port. If the switch determines that the frame is not on the MAC table, the frame is forwarded out to all ports except the incoming port.
Question: 194
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
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.
Question: 195
Which network device functions only at Layer 1 of the OSI model?
A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
Answer: B
Explanation:
Most hubs are amplifying the electrical signal; therefore, they are really repeaters with several ports. Hubs and repeaters are Layer 1 (physical layer) devices.
Question: 196
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
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.
Question: 197
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
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.
Question: 198
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
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.
Question: 199
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
Explanation:
TCP is an example of a connection-oriented protocol. It requires a logical connection to be established between the two processes before data is exchanged. The connection must be maintained during the entire time that
communication is taking place, then released afterwards. The process is much like a telephone call, where a virtual circuit is established�the caller must know the person�s telephone number and the phone must be answered�before
the message can be delivered.
TCP/IP is also a connection-oriented transport with orderly release. With orderly release, any data remaining in the buffer is sent before the connection is terminated. The release is accomplished in a three-way handshake between
client and server processes. The connection-oriented protocols in the
OSI protocol suite, on the other hand, do not support orderly release. Applications perform any handshake necessary for ensuring orderly release.
Examples of services that use connection-oriented transport services are telnet, rlogin, and ftp.
Question: 200
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
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 than the OSI. Below is a side by side comparison of the TCP/IP and OSI models.
Question: 201
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
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.
Question: 202
DRAG DROP
On the left are various network protocols. On the right are the layers of the TCP/IP model. Assuming a reliable connection is required, move the protocols on the left to the TCP/IP layers on the right to show the proper encapsulation
for an email message sent by a host on a LAN. (Not all options are used.)
Select and Place:
Answer:
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Cisco Data Center Unified Computing Infrastructure Design Exam Dumps

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