A network administrator is investigating an issue with VoIP calls that are not establishing properly. After troubleshooting, the administrator is able to determine the SIP responses are not being received by the gateway. Which of the following did the administrator use to determine this information?
A. netstat
B. A spectrum analyzer
C. tracert
D. A packet analyzer
A systems administrator is running a VoIP network and is experiencing jitter and high latency. Which of the following would BEST help the administrator determine the cause of these issues?
A. Enabling RADIUS on the network.
B. Configuring SNMP traps on the network.
C. Implementing LDAP on the network.
D. Establishing NTP on the network.
Which of the following technologies is used to translate one public IP address to multiple private IP addresses?
A. NAT
B. ARP
C. DHCP
D. DNS
A junior technician is settings up a voice control device so the Chief Executive Officer (CEO) will able to control various things in the office. Of which of the following types of the loT technologies is this an example?
A. LAN
B. WAN
C. SAN
D. PAN
A network technician receives a call from a branch office about a problem with its wireless connectivity. The user states the office hosting a large meeting that includes some online training with local businesses. The guest users have all brought devices to connect to the guest network at the branch office. All users are connected to a single WAP and are reporting that connections dropping and network speeds are unusable. Which of the following is the MOST likely cause of this issue?
A. DCHP exhaustion
B. Chanel overlapping
C. Interference
D. Overcapacity
Which of the follow creates a secure remote connection at the OSI network layer?
A. L2TP
B. SSL
C. DTLS
D. IPSec
A network technician at a small office upgrades the VLAN switch. After the upgrade, a user reports being unable to access network resources. When the technician checks the switchport, the LED light is not lit. Which of the following should technician check FIRST?
A. The device is using the correct cable type.
B. The switchport is functioning properly.
C. The device is connected to the switch.
D. The switch is connected to the router.
A network technician is configuring user's access to a VPN concentrator and has advised to use a protocol that supports encryption over UDP. Which of the following protocols has the technician MOST likely configured for client use?
A. TFTP
B. DTLS
C. DNS
D. SNMP
A company decides to deploy customer-facing, touch-scan kiosks. The kiosks appear to have several open service ports that could potentially become compromised. Which of the following is the MOST effective way to protocol the kiosks?
A. Install an IDS to monitor all traffic to and from the kiosks.
B. Install honeypots on the network to detect and analyze potential kiosk attacks before they occur.
C. Enable switchport security on the ports to which the kiosks are connected to prevent network - level attacks.
D. Create a new network segment with ACLs, limiting kiosks' traffic with the internal network.
Which of the following devices are MOST often responsible for 1q tagging? (Select TWO).
A. Switch
B. Router
C. IDS
D. Hub
E. IPS
F. Network tap
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