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Home Cisco® 200-301

Cisco® 200-301 Exam Practice Questions (P. 2)

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Question #11
When configuring IPv6 on an interface, which two IPv6 multicast groups are joined? (Choose two.)
  1. A
    2000::/3
  2. B
    2002::5
  3. C
    FC00::/7
  4. D
    FF02::1
  5. E
    FF02::2

Correct Answer:
DE
When an interface is configured with IPv6 address, it automatically joins the all nodes (FF02::1) and solicited-node (FF02::1:FFxx:xxxx) multicast groups. The all- node group is used to communicate with all interfaces on the local link, and the solicited-nodes multicast group is required for link-layer address resolution.
Routers also join a third multicast group, the all-routers group (FF02::2).
Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipv6/configuration/xe-3s/ipv6-xe-36s-book/ip6-multicast.html

Question #12
DRAG DROP -

Refer to the exhibit. Drag and drop the networking parameters from the left onto the correct values on the right.
Select and Place:


Correct Answer:

 The ג€ip routeג€ and ג€ip addr show eth1ג€ are Linux commands.
ג€¢ ג€ip routeג€: display the routing table
ג€¢ ג€ip addr show eth1ג€: get depth information (only on eth1 interface) about your network interfaces like IP Address, MAC Address information

Question #13
What is the default behavior of a Layer 2 switch when a frame with an unknown destination MAC address is received?
  1. A
    The Layer 2 switch forwards the packet and adds the destination MAC address to its MAC address table.
  2. B
    The Layer 2 switch sends a copy of a packet to CPU for destination MAC address learning.
  3. C
    The Layer 2 switch floods packets to all ports except the receiving port in the given VLAN.
  4. D
    The Layer 2 switch drops the received frame.

Correct Answer:
C
If the destination MAC address is not in the CAM table (unknown destination MAC address), the switch sends the frame out all other ports that are in the same
VLAN as the received frame. This is called flooding. It does not flood the frame out the same port on which the frame was received.

Question #14
An engineer must configure a /30 subnet between two routes. Which usable IP address and subnet mask combination meets this criteria?
  1. A
    interface e0/0 description to XX-AXXX:XXXXX ip address 10.2.1.3 255.255.255.252
  2. B
    interface e0/0 description to XX-AXXX:XXXXX ip address 192.168.1.1 255.255.255.248
  3. C
    interface e0/0 description to XX-AXXX:XXXXX ip address 172.16.1.4 255.255.255.248
  4. D
    interface e0/0 description to XX-AXXX:XXXXX ip address 209.165.201.2 225.255.255.252

Correct Answer:
D
chatbot-img GPT-4o - Answer
The correct answer for configuring a /30 subnet between two routers would typically require a subnet mask of 255.255.255.252. However, there appears to have been a typographical error in option D, which mistakenly lists the subnet mask as 225.255.255.252. Assuming this is a typo, option D would be correct if it instead read 255.255.255.252. The IP address 209.165.201.2 with the corrected mask fits the criteria as it avoids using a network or broadcast address, which is the problem seen in option A.

Question #15
Which network allows devices to communicate without the need to access the Internet?
  1. A
    172.9.0.0/16
  2. B
    172.28.0.0/16
  3. C
    192.0.0.0/8
  4. D
    209.165.201.0/24

Correct Answer:
B
This question asks about the private ranges of IPv4 addresses. The private ranges of each class of IPv4 are listed below:
Class A private IP address ranges from 10.0.0.0 to 10.255.255.255
Class B private IP address ranges from 172.16.0.0 to 172.31.255.255
Class C private IP address ranges from 192.168.0.0 to 192.168.255.255
Only the network 172.28.0.0/16 belongs to the private IP address (of class B).

Question #16

Refer to the exhibit. Which statement explains the configuration error message that is received?
  1. A
    It belongs to a private IP address range.
  2. B
    The router does not support /28 mask.
  3. C
    It is a network IP address.
  4. D
    It is a broadcast IP address.

Correct Answer:
D

Question #17
Which IPv6 address type provides communication between subnets and cannot route on the Internet?
  1. A
    link-local
  2. B
    unique local
  3. C
    multicast
  4. D
    global unicast

Correct Answer:
B
A IPv6 Unique Local Address is an IPv6 address in the block FC00::/7. It is the approximate IPv6 counterpart of the IPv4 private address. It is not routable on the global Internet.
Note: In the past, Site-local addresses (FEC0::/10) are equivalent to private IP addresses in IPv4 but now they are deprecated.
Link-local addresses only used for communications within the local subnet. It is usually created dynamically using a link-local prefix of FE80::/10 and a 64-bit interface identifier (based on 48-bit MAC address).

Question #18
Which IPv6 address block sends packets to a group address rather than a single address?
  1. A
    2000::/3
  2. B
    FC00::/7
  3. C
    FE80::/10
  4. D
    FF00::/8

Correct Answer:
D
FF00::/8 is used for IPv6 multicast and this is the IPv6 type of address the question wants to ask.
FE80::/10 range is used for link-local addresses. Link-local addresses only used for communications within the local subnetwork (automatic address configuration, neighbor discovery, router discovery, and by many routing protocols). It is only valid on the current subnet. It is usually created dynamically using a link-local prefix of FE80::/10 and a 64-bit interface identifier (based on 48-bit MAC address).

Question #19
What are two reasons that cause late collisions to increment on an Ethernet interface? (Choose two.)
  1. A
    when Carrier Sense Multiple Access/Collision Detection is used
  2. B
    when one side of the connection is configured for half-duplex
  3. C
    when the sending device waits 15 seconds before sending the frame again
  4. D
    when a collision occurs after the 32nd byte of a frame has been transmitted
  5. E
    when the cable length limits are exceeded

Correct Answer:
BE
A late collision is defined as any collision that occurs after the first 512 bits (or 64th byte) of the frame have been transmitted. The usual possible causes are full- duplex/half-duplex mismatch, exceeded Ethernet cable length limits, or defective hardware such as incorrect cabling, non-compliant number of hubs in the network, or a bad NIC.
Late collisions should never occur in a properly designed Ethernet network. They usually occur when Ethernet cables are too long or when there are too many repeaters in the network.
Reference:
https://www.cisco.com/en/US/docs/internetworking/troubleshooting/guide/tr1904.html

Question #20
What is a benefit of using a Cisco Wireless LAN Controller?
  1. A
    It eliminates the need to configure each access point individually.
  2. B
    Central AP management requires more complex configurations.
  3. C
    Unique SSIDs cannot use the same authentication method.
  4. D
    It supports autonomous and lightweight APs.

Correct Answer:
A
chatbot-img GPT-4o - Answer
The primary benefit of using a Cisco Wireless LAN Controller is that it simplifies the management of wireless networks by enabling centralized control over numerous access points. This centralization effectively removes the need to configure each access point manually, which can be labor-intensive and prone to errors in large-scale deployments. It's important to clarify that while the WLC manages lightweight access points (using LWAPP or CAPWAP protocols), it does not directly support autonomous access points unless they are first converted to lightweight mode.

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