Which of the following is an application that requires a host application for replication?
A. Micro
B. Worm
C. Trojan
D. Virus
Which of the following is a characteristic of Public Key Infrastructure (PKI)?
A. Public-key cryptosystems are faster than symmetric-key cryptosystems.
B. Public-key cryptosystems distribute public-keys within digital signatures.
C. Public-key cryptosystems do not require a secure key distribution channel.
D. Public-key cryptosystems do not provide technical non-repudiation via digital signatures.
How can telnet be used to fingerprint a web server?
A. telnet webserverAddress 80 HEAD / HTTP/1.0
B. telnet webserverAddress 80 PUT / HTTP/1.0
C. telnet webserverAddress 80 HEAD / HTTP/2.0
D. telnet webserverAddress 80 PUT / HTTP/2.0
Which of the following problems can be solved by using Wireshark?
A. Tracking version changes of source code
B. Checking creation dates on all webpages on a server
C. Resetting the administrator password on multiple systems
D. Troubleshooting communication resets between two systems
Which of the following is an example of an asymmetric encryption implementation?
A. SHA1
B. PGP
C. 3DES
D. MD5
Which command lets a tester enumerate alive systems in a class C network via ICMP using native Windows tools?
A. ping 192.168.2.
B. ping 192.168.2.255
C. for %V in (1 1 255) do PING 192.168.2.%V
D. for /L %V in (1 1 254) do PING -n 1 192.168.2.%V | FIND /I "Reply"
Which NMAP command combination would let a tester scan every TCP port from a class C network that is blocking ICMP with fingerprinting and service detection?
A. NMAP -PN -A -O -sS 192.168.2.0/24
B. NMAP -P0 -A -O -p1-65535 192.168.0/24
C. NMAP -P0 -A -sT -p0-65535 192.168.0/16
D. NMAP -PN -O -sS -p 1-1024 192.168.0/8
Which types of detection methods are employed by Network Intrusion Detection Systems (NIDS)? (Choose two.)
A. Signature
B. Anomaly
C. Passive
D. Reactive
The fundamental difference between symmetric and asymmetric key cryptographic systems is that symmetric key cryptography uses which of the following?
A. Multiple keys for non-repudiation of bulk data
B. Different keys on both ends of the transport medium
C. Bulk encryption for data transmission over fiber
D. The same key on each end of the transmission medium
Which NMAP feature can a tester implement or adjust while scanning for open ports to avoid detection by the network's IDS?
A. Timing options to slow the speed that the port scan is conducted
B. Fingerprinting to identify which operating systems are running on the network
C. ICMP ping sweep to determine which hosts on the network are not available
D. Traceroute to control the path of the packets sent during the scan
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