3.3 IP Services 350-401 Practice Questions (Page 7)

Questions 31–35

1. 31application · medium

   A network has two routers running HSRP. The active router's uplink to the internet fails, but the router itself remains operational. The engineer wants the standby router to become active when this happens. What should be configured?

   • AConfigure the HSRP hello timer to a lower value on the active router.
   • BConfigure the standby router with a higher HSRP priority than the active router.
   • CConfigure the HSRP preemption delay to 0 on the active router.
   • DConfigure a track object for the uplink interface and decrement the HSRP priority when the object goes down.
   Reveal Solution Discussion Select an answer first
2. 32application · medium

   A small office has a router with one public IP address and 50 internal users who need to access the internet. The engineer wants to allow all internal users to share the single public IP. What configuration should be used?

   • AConfigure PAT using the ip nat inside source list 1 interface GigabitEthernet0/0 overload command.
   • BConfigure static NAT for each internal user.
   • CConfigure a NAT pool with 50 public IP addresses.
   • DConfigure dynamic NAT with a pool of one public IP address.
   Reveal Solution Discussion Select an answer first
4. 33expert · hard

   A multicast network uses PIM Sparse Mode. The network engineer wants to reduce the delay for receivers by having the last-hop router switch to the shortest path tree as soon as possible. What should be configured?

   • ASet the PIM SPT threshold to 0 on the last-hop router.
   • BConfigure the RP to send a (S, G) join to the source.
   • CIncrease the PIM register suppress timer on the first-hop router.
   • DDisable PIM Sparse Mode on the last-hop router.
   Reveal Solution Discussion Select an answer first
5. 34foundation · easy

   In a Precision Time Protocol (PTP) network, what is the role of the grandmaster clock?

   • AIt forwards PTP messages between domains
   • BIt provides backup in case the primary clock fails
   • CIt is the primary time source for the PTP domain
   • DIt synchronizes to a server on the network
   Reveal Solution Discussion Select an answer first
6. 35application · medium

   Users report that they cannot access a web server on the internet. The router uses PAT with an access list that permits only the internal network 192.168.1.0/24. The engineer checks 'show ip nat translations' and sees no translations for the users' traffic. Which command should be used to determine whether the access list is matching the traffic?

   • Ashow ip nat translations verbose
   • Bshow ip nat statistics
   • Cshow access-lists
   • Ddebug ip nat detailed
   Reveal Solution Discussion Select an answer first