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Cisco 640-816 Exam
Exam 640-816: Interconnecting Cisco Networking Devices Part 2 (ICND2)

Number of questions: 45-55

Duration: 75 minutes

Cost: $125, Available at Pearson VUE Testing Centers

Exam Topics Include:

1. Configure, verify and troubleshoot a switch with VLANs; including interswitch communications

2. Implement an IP addressing scheme and IP services to meet network requirements in a small to medium-size Enterprise branch office network, including VLSM

3. Configure and troubleshoot basic operation and routing on Cisco devices using IOS.

4. Implement, verify, and troubleshoot NAT and ACLs in a medium-size Enterprise branch office network.

5. Implement and verify WAN links, including PPP and Frame Relay.

The 640-816 Interconnecting Cisco Networking Devices Part 2 (ICND2) exam is the second part of the two-exam track for earning the CCNA certification. Passing the two ICND exams can be used as an alternative to the single CCNA exam, 640-802, in obtaining the Cisco Certified Network Associate certification. The 640-816 exam tests a candidate’s knowledge and skills required to successfully install, operate, and troubleshoot a small to medium size enterprise branch network. The exam covers topics on VLSM and IPv6 addressing; extending switched networks using VLANs; routing protocols; determining IP routes; managing IP traffic with access lists; NAT and DHCP; establishing point-to- point connections; and establishing Frame Relay connections.

The TestKing 640-816 exam products are designed to maximize your learning productivity and focus only on the important aspects that will help you to pass your exam, the first time. We will provide you with exam questions and verified answers, with detailed explanations, that reflect the actual exam. These questions and answers Q&as with Expert Explanations provide you with the experience of taking the actual test. Our exam guides are not just questions and answers Q&as with Expert Explanations. Our questions have detailed explanations provided by our certified industry experts, ensuring that you fully understand the questions and the concept behind the questions.

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QUESTION 36:
You need to configure the Cisco VLAN Trunking Protocol on switch CK1 . What is
the purpose of this protocol?
A. To allow native VLAN information to be carried over a trunk link.
B. To provide a mechanism to dynamically assign VLAN membership to switch ports.
C. To allow traffic to be carried from multiple VLANs over a single link between
switches.
D. To provide a mechanism to dynamically assign VLAN membership to switch ports.
E. To allow for managing to additions, deletions, and changes of VLANs between
switches.
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F. None of the above
Answer: E
Explanation:
The basic goals of the VLAN Trunking Protocol (VTP) are to manage all configured
VLANs across a switched internetwork and to maintain consistency throughout that
network VTP allows you to add, delete, and rename VLANs-information that is then
propagated to all other switches in the VTP domain.
QUESTION 37:
Which of the following a true statements regarding the use of VLANs to segment a
network? (Select three)
A. They increase the size of collision domains
B. They allow logical grouping of users by function.
C. They can enhance network security.
D. They increase the size of the broadcast domain while decreasing the number of
collision domains.
E. They increase the number of broadcast domains while decreasing the size of the
broadcast domains.
F. They simplify switch administration.
Answer: B, C, E
Explanation:
VLANs are used to segment a LAN into multiple, smaller LANs. This can be used to
enhance security as local traffic from one VLAN will not be passed to users in other
VLANS.
Incorrect Answers:
A. VLANs are used to decrease the size of a collision domain, not increase it.
D. The opposite is true.
F. The default operation of a switch is to allow all traffic and to enable all ports in VLAN
1. The use of VLANs will increase the complexity of the switch environment, making for
more difficult administration.
QUESTION 38:
You wish to segment your LAN into multiple broadcast domains. Which technology
method should you implement in order to do this?
A. Transparent bridging
B. Cut-through switching
C. Fragment-free switches
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D. Virtual LANs
E. Store-and-forward switching
F. None of the above
Answer: D
Explanation:
The creation of VLANs in a switch will provide separate Broadcast domains. By default,
all ports in a Catalyst switch belong to VLAN 1. By creating additional VLANs, the
LAN will be logically segmented into separate broadcast domains.
Incorrect Answers
A. Transparent bridging is called Transparent because the endpoints devices do not need
to know that the bridges exists. It will not play any role for creating separate broadcast
domain
B, E. Both of these are switching methods.
C. This has nothing to do with the creation of multiple broadcast domains.
QUESTION 39:
PassGuide has implemented the use of VLANs in their network. Which of the
following are considered to be a benefit of VLANs? (Choose three)
A. They increase the size of collision domains.
B. They allow logical grouping of users by function.
C. They can enhance network security,
D. The increase the size of broadcast domains while decreasing the number of the
broadcast domains.
E. The increase the number of broadcast domains while decreasing the size of the
broadcast domains.
F. They simplify switch administration.
Answer: B, C, E
Explanation:
There are many motivations for using VLANs, including these:
1. To group users by department, or by groups that work together, instead of by physical
location. (B)
2. To reduce overhead by limiting the size of each broadcast domain (E)
3. To enforce better security by keeping sensitive devices on a separate VLAN (C)
4. To separate specialized traffic from mainstream traffic – for example, putting IP
telephones on a separate VLAN form user PCs.
QUESTION 40:
What are some of the characteristics of a typical VLAN arrangement, found
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throughout the PassGuide switched LAN? (Select all that apply)
A. VLANs logically divide a switch into multiple, independent switches at Layer 2.
B. Trunk links can carry traffic for multiple VLANs.
C. VLAN implementation significantly increases traffic due to added trunking
information.
D. A VLAN can span multiple switches.
E. VLANs typically increase the number of switches needed
F. VLANs typically decrease the number of switches needed
Answer: A, B, D