H12-821

H12-821 practice questions, page 2 of 14, with answer review and explanations.

Question 6

Which cost types are supported in IS-IS? (Choose all that apply.)

  1. default
  2. wide
  3. ToS
  4. Narrow

Question 7

Which of the following statements about IS-IS Hello packets are true? (Choose all that apply.)

  1. Level-1 LAN IIH packets do not contain the System ID field.
  2. P2P IIH packets and LAN IIH packets are exactly the same.
  3. P2P IIH packets do not contain the Priority field.
  4. Level-1 LAN IIH packets are sent in multicast mode.

Question 8

Two Level-1 routers in different areas can establish a neighbor relationship.

  1. TRUE
  2. FALSE

Question 9

Which of the following attributes must be carried in an Update message?

  1. local-Pref
  2. MED
  3. AS_Path
  4. PrefVal

Question 10

If a router receives two BGP routes carrying the following attributes, which of the following statements is true according to BGP route selection rules?

  1. The optimal route is route N because its MED value is smaller than that of route M.
  2. The optimal route is route N because its AS_Path is longer than that of route M.
  3. The optimal route is route M because its AS_Path is shorter than that of route N.
  4. The optimal route is route M because its MED value is larger than that of route N.