7. Which network device is used to send traffic to different physical networks, based upon logical addressing?
(A)Router
(B) Switch
(C) Load balancer
(D) Firewall

8. Which type of device is used to provide network protection and security bypreventing hosts from connecting to the organization's infrastructure unless they meetcertain criteria?(A)Switch(B) NAT device(C) Firewall(D) NAC device

9. You need to install a new network for a customer, and you are looking at different ways to design the perimeter network and entry points. You determine that you will need a firewall, border router, and two separate network segments off of the firewall for Internet-accessible-servers. Which one of the following architectures best describes your network design? (A)Bastion host (B) VLAN (C) DMZ (D) Subnetwork

10. Which of the following statements is true about subnetting?(A)Adding network bits to the subnet mask creates more networks but fewer hosts.(B) Adding network bits to the subnet mask creates more networks and hosts.(C) Adding host bits to the subnet masks creates more networks but fewer hosts.(D) Adding host bits to the subnet masks creates more hosts and networks.

11.ll of the following characteristics describe VLANs, except: (A) VLANs require routing between them. (B) VLANs separate hosts into logical networks. (C) VLANs can be used to apply security policies and filtering to different segments. (D) VLANs allow any host plugged into the switch to become a member of the virtual segment.

12. Which of the following allows you to map a single public IP address to a pool of private IP addresses? (A)Virtual LAN (B) Port Address Translation (C) Network Access Control (D) Static NAT

13. One of your coworkers has recently reconfigured the firewall rule set, and users immediately began to report that they cannot receive any traffic at all from the Web. You examine the firewall rule set for issues. Which of the following could be considered a likely issue that would prevent all traffic from passing through the firewall? (A)Implicit deny (B) Explicit allow at the bottom of the rule set (C) Explicit deny at the top of the rule set (D) Implicit allow at the top of the rule set

14. Which of the following would be needed to block excessive traffic from a particular protocol? (A)Flood guard (B) Loop protection (C) ACL (D) 802.1X

複選題15. Which of the following issues must be addressed in any remote access method or technology? (hoose two.) (A) Encryption (B) Loop protection (C) Authentication (D) Traffic flooding

16. Which one of the following terms is used for impersonating a host or user?(A)Smurf attack(B) Man-in-the-middle(C) Session hijacking(D) Spoofing

17.ll of the following are characteristics of a man-in-the-middle (MITM) attack,except:(A) Intercepting data(B) Altering and retransmitting data(C) Spoofing both sides of the communications session(D) Flooding the network with ICMP packers

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