Ports and Protocols N10-009 Practice Questions (Page 4)

Questions 16–20

1. 16expert · hard

   A network administrator is setting up SNMP monitoring for a fleet of network devices. The administrator needs to ensure that monitoring data is encrypted and that only authorized monitoring stations can read the data. The devices support SNMPv2c and SNMPv3. Which configuration should the administrator implement?

   • AUse SNMPv3 without authentication
   • BUse SNMPv2c with a complex community string
   • CUse SNMPv2c with a community string
   • DUse SNMPv3 with authentication and privacy
   Reveal Solution Discussion Select an answer first
2. 17application · medium

   A network administrator notices that log files from different servers show timestamps that are several seconds apart, making it difficult to correlate events during an incident. The administrator needs to ensure all devices on the network have synchronized clocks. Which protocol should the administrator implement?

   • ADNS on UDP port 53
   • BNTP on UDP port 123
   • CDHCP on UDP port 67
   • DSNMP on UDP port 161
   Reveal Solution Discussion Select an answer first
4. 18foundation · easy

   Which component in SNMP is the software agent that runs on a managed device?

   • AManager
   • BMIB
   • CTrap
   • DAgent
   Reveal Solution Discussion Select an answer first
5. 19application · medium

   A company is deploying a VoIP phone system. The administrator needs to configure the network to support call setup and teardown between IP phones and the call server. Which protocol should the administrator ensure is allowed through the firewall for call signaling?

   • ALDAP on TCP port 389
   • BSIP on UDP port 5060
   • CSNMP on UDP port 161
   • DNTP on UDP port 123
   Reveal Solution Discussion Select an answer first
6. 20expert · hard

   A network has a DHCP server that assigns IP addresses from a scope of 192.168.1.100 to 192.168.1.200. The administrator notices that some devices are receiving IP addresses outside this range. The administrator suspects a rogue DHCP server on the network. Which security feature should the administrator implement on the switches to prevent rogue DHCP servers from responding to clients?

   • ADHCP snooping on the switches
   • BSTP on the switches
   • CVLAN segmentation on the switches
   • DPort security on the switches
   Reveal Solution Discussion Select an answer first