Which two statements describe access attacks? (Choose two.) Port redirection attacks use a network adapter card in promiscuous mode to capture all network packets that are sent across a LAN.…
Match the network security testing technique with how it is used to test network security. (Not all options are used.) Answers Explanation & Hints: Network scanning tools are used to…
In an attempt to prevent network attacks, cyber analysts share unique identifiable attributes of known attacks with colleagues. What three types of attributes or indicators of compromise are helpful to…
What are two shared characteristics of the IDS and the IPS? (Choose two.) Both are deployed as sensors. Both analyze copies of network traffic. Both use signatures to detect malicious…
Which statement describes a typical security policy for a DMZ firewall configuration? Traffic that originates from the outside interface is permitted to traverse the firewall to the inside interface with…
What is the purpose of CSMA/CA? to prevent collisions to prevent loops to filter traffic to isolate traffic Answers Explanation & Hints: CSMA/CA stands for carrier sense multiple access with…
A router has received a packet destined for a network that is in the routing table. What steps does the router perform to send this packet on its way? Match…
What are two differences between HTTP and HTTP/2? (Choose two.) HTTP/2 uses different status codes than HTTP does to improve performance. HTTP/2 uses a compressed header to reduce bandwidth requirements.…
Match the steps with the actions that are involved when an internal host with IP address 192.168.10.10 attempts to send a packet to an external server at the IP address…
Refer to the exhibit. A cybersecurity analyst is viewing captured packets forwarded on switch S1. Which device has the MAC address d8:cb:8a:5c:d5:8a?router DG PC-A router ISP web server DNS server…
What is a characteristic of DNS? DNS relies on a hub-and-spoke topology with centralized servers. DNS servers can cache recent queries to reduce DNS query traffic. All DNS servers must…
Why is DHCP preferred for use on large networks? Large networks send more requests for domain to IP address resolution than do smaller networks. DHCP uses a reliable transport layer…
What kind of message is sent by a DHCPv4 client requesting an IP address? DHCPDISCOVER broadcast message DHCPDISCOVER unicast message DHCPOFFER unicast message DHCPACK unicast message Answers Explanation & Hints:…
What is the TCP mechanism used in congestion avoidance? three-way handshake socket pair two-way handshake sliding window Answers Explanation & Hints: TCP uses windows to attempt to manage the rate…
Which network monitoring tool saves captured network frames in PCAP files? Wireshark SNMP NetFlow SIEM Answers Explanation & Hints: Wireshark is a network protocol analyzer used to capture network traffic.…
Which two types of messages are used in place of ARP for address resolution in IPv6? (Choose two.) anycast broadcast echo reply echo request neighbor solicitation neighbor advertisement Answers Explanation…
What is the prefix length notation for the subnet mask 255.255.255.224? /25 /26 /27 /28 Answers Explanation & Hints: The binary format for 255.255.255.224 is 11111111.11111111.11111111.11100000. The prefix length is…
When a connectionless protocol is in use at a lower layer of the OSI model, how is missing data detected and retransmitted if necessary? Connectionless acknowledgements are used to request…
Which two protocols are associated with the transport layer? (Choose two.) TCP IP UDP PPP ICMP Answers Explanation & Hints: TCP and UDP reside at the transport layer in both…
What are three benefits of using symbolic links over hard links in Linux? (Choose three.) Symbolic links can be exported. They can be encrypted. They can be compressed. They can…