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Quiz

Network Principles

Mr Mooo 10 perguntas

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Perguntas do quiz (10)

  1. 1Which two options are causes of out-of-order packets?
    1. Aa routing loop
    2. Ba router in the packet flow path that is intermittently dropping packets
    3. Chigh latency
    4. Dpackets in a flow traversing multiple paths through the network
    5. Esome packets in a flow being process-switched and others being interrupt-switched on a transit router
  2. 2A TCP/IP host is able to transmit small amounts of data (typically less than 1500 bytes), but attempts to transmit larger amounts of data hang and then time out. What is the cause of this problem?
    1. AA link is flapping between two intermediate devices.
    2. BThe processor of an intermediate router is averaging 90 percent utilization.
    3. CA port on the switch that is connected to the TCP/IP host is duplicating traffic and sending it to a port that has a sniffer attached.
    4. DThere is a PMTUD failure in the network path.
  3. 3Which three conditions can cause excessive unicast flooding?
    1. AAsymmetric routing
    2. BRepeated TCNs
    3. CThe use of HSRP
    4. DFrames sent to FFFF.FFFF.FFFF
    5. EMAC forwarding table overflow
    6. FThe use of Unicast Reverse Path Forwarding
  4. 4Which congestion-avoidance or congestion-management technique can cause global synchronization?
    1. ATail drop
    2. BRandom early detection
    3. CWeighted random early detection
    4. DWeighted fair queuing
  5. 5Which two options are reasons for TCP starvation?
    1. AThe use of tail drop
    2. BThe use of WRED
    3. CMixing TCP and UDP traffic in the same traffic class
    4. DThe use of TCP congestion control
  6. 6What is the cause of ignores and overruns on an interface, when the overall traffic rate of the interface is low?
    1. Aa hardware failure of the interface
    2. Ba software bug
    3. Ca bad cable
    4. Dmicrobursts of traffic
  7. 7Which statement about MSS is true?
    1. AIt is negotiated between sender and receiver.
    2. BIt is sent in all TCP packets.
    3. CIt is 20 bytes lower than MTU by default.
    4. DIt is sent in SYN packets.
    5. EIt is 28 bytes lower than MTU by default.
  8. 8Which two methods change the IP MTU value for an interface?
    1. AConfigure the default MTU.
    2. BConfigure the IP system MTU.
    3. CConfigure the interface MTU.
    4. DConfigure the interface IP MTU.
  9. 9Which implementation can cause packet loss when the network includes asymmetric routing paths?
    1. Athe use of ECMP routing
    2. Bthe use of penultimate hop popping
    3. Cthe use of Unicast RPF
    4. Ddisabling Cisco Express Forwarding
  10. 10Which two mechanisms can be used to eliminate Cisco Express Forwarding polarization?
    1. Aalternating cost links
    2. Bthe unique-ID/universal-ID algorithm
    3. CCisco Express Forwarding antipolarization
    4. Ddifferent hashing inputs at each layer of the network

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Descrição
Quiz sobre Network Principles, criado por Mr Mooo em 23-12-2016.
Autor
Mr Mooo
Idioma
English
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