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Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) Questions 313–320 (page: 41)

Updated On: 9-Jul-2026

Which of the following are used to validate the source of IPv6 traffic and are considered IPv6 layer 2 snooping features? (Choose two.)

  1. DHCPv6 Guard
  2. DHCPv6 Root Guard
  3. IPv6 Source Guard
  4. IPv6 Prefix Guard

Answer(s): C,D



You want to implement AAA on router R1 for a more robust authentication and authorization system. What is typically the first global command used to do this?

  1. aaa new-model
  2. aaa enable
  3. aaa server-group
  4. aaa authentication login

Answer(s): A



A time based access list has been configured on R1 to allow SSH access to the device only on weekdays. Which of the following are valid options when using the time range command? (Choose two.)

  1. relative
  2. recurring
  3. absolute
  4. periodic

Answer(s): C,D



First-Hop Security (FHS) is a set of features to optimize IPv6 link operation, and help with scale in large L2 domains. Which of the following are valid First-Hop Security features supported by Cisco? (Choose three.)

  1. IPv6 RA Guard
  2. IPv6 Source Guard
  3. DHCPv6 Guard
  4. IPv6 Snooping
  5. DHCPv6 Snooping

Answer(s): A,C,D



What are the four stages of obtaining an IP address from a DHCP server that corresponds to the acronym DORA?

  1. Discover, Offer, Release, Addressing
  2. Discover, Obtain, Request, Acknowledge
  3. Determine, Offer, Release, Acknowledge
  4. Discover, Offer, Request, Acknowledge

Answer(s): D



SNMPv2 has been used throughout a network to manage all of the network devices. You have been asked to migrate to an SNMPv3 solution instead. What is the biggest advantage to migrating from SNMPv2 to SNMPv3?

  1. Enhanced security, including encryption of passwords
  2. Enhanced performance, supporting more messages per minute.
  3. Enhanced scaling, supporting thousands more devices per network segment than SNMPv2.
  4. Using a push model instead of pull. SNMPv3 uses telemetry to push data to SNMP management stations in real time.

Answer(s): A



You are configuring Netflow on various network elements in order to gain visibility into the traffic types used. How many export destinations can this Network data be sent to?

  1. Up to 2
  2. Up to 4
  3. Up to 8
  4. There is no limitation on the number of flow data export destinations.

Answer(s): A



A Cisco router has just been configured for NTP and is synchronized with the configured NTP server. However, log messages still show an incorrect time. What else should be done to match the log messages time stamps with the NTP based time?

  1. Wait a bit longer for the synchronized time to get applied to new log messages.
  2. Configure the “service timestamps log datetime localtime” command in global mode.
  3. Configure the “service timestamps log datetime synchronize” command globally
  4. Configure the “service timestamps log ntp” command in global config mode.

Answer(s): B



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