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Home Cisco® 200-301

Cisco® 200-301 Exam Practice Questions (P. 3)

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Question #21
Which action is taken by switch port enabled for PoE power classification override?
  1. A
    If a monitored port exceeds the maximum administrative value for power, the port is shutdown and err-disabled.
  2. B
    When a powered device begins drawing power from a PoE switch port, a syslog message is generated.
  3. C
    As power usage on a PoE switch port is checked, data flow to the connected device is temporarily paused.
  4. D
    If a switch determines that a device is using less than the minimum configured power, it assumes the device has failed and disconnects it.

Correct Answer:
A
PoE monitoring and policing compares the power consumption on ports with the administrative maximum value (either a configured maximum value or the port's default value). If the power consumption on a monitored port exceeds the administrative maximum value, the following actions occur:
- A syslog message is issued.
- The monitored port is shut down and error-disabled.
- The allocated power is freed.
Reference:
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SX/configuration/guide/book/power_over_ethernet.pdf

Question #22
What occurs to frames during the process of frame flooding?
  1. A
    Frames are sent to all ports, including those that are assigned to other VLANs.
  2. B
    Frames are sent to every port on the switch that has a matching entry in MAC address table.
  3. C
    Frames are sent to every port on the switch in the same VLAN except from the originating port.
  4. D
    Frames are sent to every port on the switch in the same VLAN.

Correct Answer:
C
chatbot-img GPT-4o - Answer
In the process of frame flooding in a switched network, frames are only sent to every port within the same VLAN as the frame's origin, excluding the port from which the frame originated. This action prevents potential loops and ensures that the data does not travel outside its designated VLAN, promoting efficient network segmentation and security management. "Flooding" is utilized when a switch does not have an entry in its MAC address table for the destination of a frame, triggering it to distribute the frame to all ports in the VLAN except the one receiving the frame to discover the route to an unknown device.

Question #23
Which function does the range of private IPv4 addresses perform?
  1. A
    allows multiple companies to each use the same addresses without conflicts
  2. B
    provides a direct connection for hosts from outside of the enterprise network
  3. C
    ensures that NAT is not required to reach the Internet with private range addressing
  4. D
    enables secure communications to the Internet for all external hosts

Correct Answer:
A
chatbot-img GPT-4o - Answer
The primary function of the range of private IPv4 addresses, as defined by RFC 1918, is to allow multiple organizations to use the same IP addresses without conflict. This is feasible because these addresses are non-routable on the public internet, and connectivity between different network setups using private IPs invariably involves Network Address Translation (NAT) or Port Address Translation (PAT) methods. This setup effectively isolates the internal IP implementations from each other, preventing direct conflicts despite IP overlaps across different organizations.

Question #24
Which action must be taken to assign a global unicast IPv6 address on an interface that is derived from the MAC address of that interface?
  1. A
    explicitly assign a link-local address
  2. B
    disable the EUI-64 bit process
  3. C
    enable SLAAC on an interface
  4. D
    configure a stateful DHCPv6 server on the network

Correct Answer:
C
chatbot-img GPT-4o - Answer
SLAAC (Stateless Address Autoconfiguration) how you get an IPv6 address based on your device's MAC address added automatically. It uses the EUI-64 process to create a unique IPv6 from the MAC, making setup easier without needing a DHCP server. Make sure it's enabled on your device if you're working with IPv6 and want some of that automatic action.

Question #25
Several new coverage cells are required to improve the Wi-Fi network of an organization. Which two standard designs are recommended? (Choose two.)
  1. A
    5GHz provides increased network capacity with up to 23 nonoverlapping channels.
  2. B
    5GHz channel selection requires an autonomous access point.
  3. C
    Cells that overlap one another are configured to use nonoverlapping channels.
  4. D
    Adjacent cells with overlapping channels use a repeater access point.
  5. E
    For maximum throughput, the WLC is configured to dynamically set adjacent access points to the channel.

Correct Answer:
CE
chatbot-img GPT-4o - Answer
The correct approach to improving Wi-Fi coverage entails ensuring that each cell has a unique, non-overlapping channel to avoid interference, as well as utilizing the broad range of channels available in the 5GHz spectrum. Specifically, using the 5GHz band is advantageous due to its capacity for supporting multiple non-overlapping channels, enhancing network performance. To effectively manage a network with multiple coverage cells, it's imperative to configure each to use different channels, thereby reducing the risk of co-channel interference and ensuring seamless connectivity across devices.

Question #26
How do TCP and UDP differ in the way they provide reliability for delivery of packets?
  1. A
    TCP does not guarantee delivery or error checking to ensure that there is no corruption of data, UDP provides message acknowledgement and retransmits data if lost.
  2. B
    TCP provides flow control to avoid overwhelming a receiver by sending too many packets at once, UDP sends packets to the receiver in a continuous stream without checking.
  3. C
    TCP is a connectionless protocol that does not provide reliable delivery of data; UDP is a connection-oriented protocol that uses sequencing to provide reliable delivery.
  4. D
    TCP uses windowing to deliver packets reliably; UDP provides reliable message transfer between hosts by establishing a three-way handshake.

Correct Answer:
B
chatbot-img GPT-4o - Answer
The correct choice, option B, highlights fundamental differences between TCP and UDP protocols regarding data delivery and handling. TCP is distinguished by its flow control mechanism, utilizing a "windowing" technique to regulate data volume sent to a receiver, preventing data overflow. This ensures the receiver processes data at a manageable rate without being overwhelmed. In stark contrast, UDP operates in a connectionless manner, sending data continuously without implementing any flow control measures. It does not guarantee message reliability, order, or error-free transmission, making it suitable for applications that prioritize speed over reliability.

Question #27
What are two differences between optical-fiber cabling and copper cabling? (Choose two.)
  1. A
    A BNC connector is used for fiber connections
  2. B
    The glass core component is encased in a cladding
  3. C
    The data can pass through the cladding
  4. D
    Light is transmitted through the core of the fiber
  5. E
    Fiber connects to physical interfaces using RJ-45 connections

Correct Answer:
BD
chatbot-img GPT-4o - Answer
Optical-fiber uses light for data transmission, which occurs through the core of the fiber—hence making choice D correct. The structure of the fiber includes a core surrounded by cladding, which helps to keep the light within the core by reflecting it back due to the difference in refractive indices—supporting the correctness of choice B. Remember, these structural differences critically influence functionality, enabling fiber optics to achieve higher bandwidth and lower interference compared to copper cabling.

Question #28
How does CAPWAP communicate between an access point in local mode and a WLC?
  1. A
    The access point must not be connected to the wired network, as it would create a loop
  2. B
    The access point must be connected to the same switch as the WLC
  3. C
    The access point must directly connect to the WLC using a copper cable
  4. D
    The access point has the ability to link to any switch in the network, assuming connectivity to the WLC

Correct Answer:
D
chatbot-img GPT-4o - Answer
Option D correctly identifies the flexibility of CAPWAP communications between an access point in local mode and a WLC. CAPWAP allows the access point to connect through any switch in the network, as long as there is a network path to the WLC. This connectivity promotes seamless integration of access points into various segments of a network, facilitating efficient management and communication via the WLC. It’s essential to ensure that the switch to which the AP connects has a route to the WLC's IP address, which can be achieved over different network topologies and through multiple network layers.

Question #29
Which IPv6 address block forwards packets to a multicast address rather than a unicast address?
  1. A
    2000::/3
  2. B
    FC00::/7
  3. C
    FE80::/10
  4. D
    FF00::/12

Correct Answer:
D
chatbot-img GPT-4o - Answer
Absolutely, the address block denoted by `FF00::/12` is exclusively reserved for IPv6 multicast addresses. This multicast config sends packets to multiple destinations, allowing network efficiency, especially for streaming and real-time communication services. Need to grasp multicast IPs? Just see that "FF" at the beginning - it’s like a direct flag for multicast action in IPv6 land. And hey, quick shoutout to User Comment 2 for breaking down those address types clearly! Helps keep things crisp when studying up or revisiting IP essentials.

Question #30
What is the difference regarding reliability and communication type between TCP and UDP?
  1. A
    TCP is reliable and is a connectionless protocol; UDP is not reliable and is a connection-oriented protocol.
  2. B
    TCP is not reliable and is a connectionless protocol; UDP is reliable and is a connection-oriented protocol.
  3. C
    TCP is not reliable and is a connection-oriented protocol; UDP is reliable and is a connectionless protocol.
  4. D
    TCP is reliable and is a connection-oriented protocol; UDP is not reliable and is a connectionless protocol.

Correct Answer:
D
chatbot-img GPT-4o - Answer
Absolutely, D hits the nail on the head! TCP, known for its reliability, goes the extra mile by establishing a connection prior to data transfer, ensuring all packets are accounted for. On the flip side, UDP keeps it quick and light, foregoing complex connections for speed, sacrificing reliability in the process. Perfect choice for applications where speed trumps precision.

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