Exams > Cisco > 200-301: Cisco Certified Network Associate (CCNA)
200-301: Cisco Certified Network Associate (CCNA)
Page 23 out of 80 pages Questions 221-230 out of 791 questions
Question#221

Which action is taken by switch port enabled for PoE power classification override?

  • A. If a monitored port exceeds the maximum administrative value for power, the port is shutdown and err-disabled.
  • B. When a powered device begins drawing power from a PoE switch port, a syslog message is generated.
  • C. As power usage on a PoE switch port is checked, data flow to the connected device is temporarily paused.
  • 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.
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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#222

What occurs to frames during the process of frame flooding?

  • A. Frames are sent to all ports, including those that are assigned to other VLANs.
  • B. Frames are sent to every port on the switch that has a matching entry in MAC address table.
  • C. Frames are sent to every port on the switch in the same VLAN except from the originating port.
  • D. Frames are sent to every port on the switch in the same VLAN.
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C

Question#223

Which function does the range of private IPv4 addresses perform?

  • A. allows multiple companies to each use the same addresses without conflicts
  • B. provides a direct connection for hosts from outside of the enterprise network
  • C. ensures that NAT is not required to reach the Internet with private range addressing
  • D. enables secure communications to the Internet for all external hosts
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A

Question#224

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?

  • A. explicitly assign a link-local address
  • B. disable the EUI-64 bit process
  • C. enable SLAAC on an interface
  • D. configure a stateful DHCPv6 server on the network
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C

Question#225

Several new coverage cells are required to improve the Wi-Fi network of an organization. Which two standard designs are recommended? (Choose two.)

  • A. 5GHz provides increased network capacity with up to 23 nonoverlapping channels.
  • B. 5GHz channel selection requires an autonomous access point.
  • C. Cells that overlap one another are configured to use nonoverlapping channels.
  • D. Adjacent cells with overlapping channels use a repeater access point.
  • E. For maximum throughput, the WLC is configured to dynamically set adjacent access points to the channel.
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CE

Question#226

How do TCP and UDP differ in the way they provide reliability for delivery of packets?

  • 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.
  • 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.
  • 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.
  • D. TCP uses windowing to deliver packets reliably; UDP provides reliable message transfer between hosts by establishing a three-way handshake.
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B

Question#227

What are two differences between optical-fiber cabling and copper cabling? (Choose two.)

  • A. A BNC connector is used for fiber connections
  • B. The glass core component is encased in a cladding
  • C. The data can pass through the cladding
  • D. Light is transmitted through the core of the fiber
  • E. Fiber connects to physical interfaces using RJ-45 connections
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BD

Question#228

How does CAPWAP communicate between an access point in local mode and a WLC?

  • A. The access point must not be connected to the wired network, as it would create a loop
  • B. The access point must be connected to the same switch as the WLC
  • C. The access point must directly connect to the WLC using a copper cable
  • D. The access point has the ability to link to any switch in the network, assuming connectivity to the WLC
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D

Question#229

Which IPv6 address block forwards packets to a multicast address rather than a unicast address?

  • A. 2000::/3
  • B. FC00::/7
  • C. FE80::/10
  • D. FF00::/12
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D

Question#230

What is the difference regarding reliability and communication type between TCP and UDP?

  • A. TCP is reliable and is a connectionless protocol; UDP is not reliable and is a connection-oriented protocol.
  • B. TCP is not reliable and is a connectionless protocol; UDP is reliable and is a connection-oriented protocol.
  • C. TCP is not reliable and is a connection-oriented protocol; UDP is reliable and is a connectionless protocol.
  • D. TCP is reliable and is a connection-oriented protocol; UDP is not reliable and is a connectionless protocol.
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D

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