The security administrator needs to manage traffic on a layer 3 device to support FTP from a new remote site. Which of the following would need to be implemented?
A. Implicit deny
B. VLAN management
C. Port security
D. Access control lists
CompTIA exam questions
The security administrator needs to manage traffic on a layer 3 device to support FTP from a new remote site. Which of the following would need to be implemented?
A. Implicit deny
B. VLAN management
C. Port security
D. Access control lists
A security administrator must implement a network that is immune to ARP spoofing attacks. Which of the following should be implemented to ensure that a malicious insider will not be able to successfully use ARP spoofing techniques?
A. UDP
B. IPv6
C. IPSec
D. VPN
Matt, an IT administrator, wants to protect a newly built server from zero day attacks. Which of the following would provide the BEST level of protection?
A. HIPS
B. Antivirus
C. NIDS
D. ACL
The network install is failing redundancy testing at the MDF. The traffic being transported is a mixture of multicast and unicast signals. Which of the following would BEST handle the rerouting caused by the disruption of service?
A. Layer 3 switch
B. Proxy server
C. Layer 2 switch
D. Smart hub
A network administrator is using a packet analyzer to determine an issue on the local LAN. Two separate computers are showing an error message on the screen and are unable to communicate with other computers in the same lab. The network administrator looks at the following output:
SRC MAC SRC IP DST MAC DST IP
00:1D:1F:AB:10:7D192.168.1.10:200015:BE:9F:AB:10:1D192.168.1.14:1200
05:DD:1F:AB:10:27192.168.1.10:100022:C7:2F:AB:10:A2192.168.1.15:1300
Given that all the computers in the lab are directly connected to the same switch, and are not using any virtualization technology, at which of the following layers of the OSI model is the problem occurring?
A. Network
B. Application
C. Data link
D. Transport
A technician needs to limit the amount of broadcast traffic on a network and allow different segments to communicate with each other. Which of the following options would satisfy these requirements?
A. Add a router and enable OSPF.
B. Add a layer 3 switch and create a VLAN.
C. Add a bridge between two switches.
D. Add a firewall and implement proper ACL.
When a client calls and describes a problem with a computer not being able to reach the Internet, in which of the following places of the OSI model would a technician begin troubleshooting?
A. Transport layer
B. Physical layer
C. Network layer
D. Session layer
Which of the following protocols is used to encapsulate other network layer protocols such as multicast and IPX over WAN connections?
A. MPLS
B. ESP
C. GRE
D. PPP