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CCNA Security Cp 1
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Questions in this quiz (25)
1What are the basic phases of attack that can be used by a virus or worm in sequential order?
- Aparalyze, probe, penetrate, persist, and propagate
- Bprobe, penetrate, persist, propagate, and paralyze
- Cpenetrate, persist, propagate, paralyze, and probe
- Dpersist, propagate, paralyze, probe, and penetrate
2Users report to the helpdesk that icons usually seen on the menu bar are randomly appearing on their computer screens. What could be a reason that computers are displaying these random graphics?
- AAn access attack has occurred.
- BA virus has infected the computers.
- CA DoS attack has been launched against the network.
- DThe computers are subject to a reconnaissance attack.
3Which two are characteristics of DoS attacks? (Choose two.)
- AThey always precede access attacks.
- BThey attempt to compromise the availability of a network, host, or application.
- CThey are difficult to conduct and are initiated only by very skilled attackers.
- DThey are commonly launched with a tool called L0phtCrack.
- EExamples include smurf attacks and ping of death attacks.
4What are three types of access attacks? (Choose three.)
- Abuffer overflow
- Bping sweep
- Cport redirection
- Dtrust exploitation
- Eport scan
- FInternet information query
5What occurs during a spoofing attack?
- AOne device falsifies data to gain access to privileged information.
- BLarge amounts of network traffic are sent to a target device to make resources unavailable to intended users.
- CImproperly formatted packets are forwarded to a target device to cause the target system to crash.
- DA program writes data beyond the allocated memory to enable the execution of malicious code.
6What is a characteristic of a Trojan Horse?
- AA Trojan Horse can be carried in a virus or worm.
- BA proxy Trojan Horse opens port 21 on the target system.
- CAn FTP Trojan Horse stops anti-virus programs or firewalls from functioning.
- DA Trojan Horse can be hard to detect because it closes when the application that launched it closes.
7Which phase of worm mitigation requires compartmentalization and segmentation of the network to slow down or stop the worm and prevent currently infected hosts from targeting and infecting other systems?
- Acontainment phase
- Binoculation phase
- Cquarantine phase
- Dtreatment phase
8Which two statements are characteristics of a virus? (Choose two.)
- AA virus typically requires end-user activation.
- BA virus has an enabling vulnerability, a propagation mechanism, and a payload.
- CA virus replicates itself by independently exploiting vulnerabilities in networks.
- DA virus provides the attacker with sensitive data, such as passwords.
- EA virus can be dormant and then activate at a specific time or date.
9What is a ping sweep?
- AA ping sweep is a network scanning technique that indicates the live hosts in a range of IP addresses.
- BA ping sweep is a software application that enables the capture of all network packets sent across a LAN.
- CA ping sweep is a scanning technique that examines a range of TCP or UDP port numbers on a host to detect listening services.
- DA ping sweep is a query and response protocol that identifies information about a domain, including the addresses assigned to that domain.
10Which type of security threat can be described as software that attaches to another program to execute a specific unwanted function?
- Avirus
- Bworm
- Cproxy Trojan horse
- DDenial of Service Trojan horse
11A disgruntled employee is using Wireshark to discover administrative Telnet usernames and passwords. What type of network attack does this describe?
- ADenial of Service
- Bport redirection
- Creconnaissance
- Dtrust exploitation
12What occurs during the persist phase of a worm attack?
- Aidentification of vulnerable targets
- Bmodification of system files and registry settings to ensure that the attack code is running
- Ctransfer of exploit code through an attack vector
- Dextension of the attack to vulnerable neighboring targets
13What are the three major components of a worm attack? (Choose three.)
- Aenabling vulnerability
- Binfecting vulnerability
- Cpayload
- Dpenetration mechanism
- Eprobing mechanism
- Fpropagation mechanism
14A network administrator detects unknown sessions involving port 21 on the network. What could be causing this security breach?
- AAn FTP Trojan Horse is executing.
- BA reconnaissance attack is occurring.
- CA denial of service attack is occurring.
- DCisco Security Agent is testing the network.
15What are three goals of a port scan attack? (Choose three.)
- Adisable used ports and services
- Bdetermine potential vulnerabilities
- Cidentify active services
- Didentify peripheral configurations
- Eidentify operating systems
- Fdiscover system passwords
16How is a Smurf attack conducted?
- Aby sending a large number of packets, overflowing the allocated buffer memory of the target device
- Bby sending an echo request in an IP packet larger than the maximum packet size of 65,535 bytes
- Cby sending a large number of ICMP requests to directed broadcast addresses from a spoofed source address on the same network
- Dby sending a large number of TCP SYN packets to a target device from a spoofed source address
17Which access attack method involves a software program attempting to discover a system password by using an electronic dictionary?
- Abuffer overflow attack
- Bport redirection attack
- CDenial of Service attack
- Dbrute-force attack
- EIP spoofing attack
- Fpacket sniffer attack
18Which two network security solutions can be used to mitigate DoS attacks? (Choose two.)
- Avirus scanning
- Bdata encryption
- Canti-spoofing technologies
- Dintrusion protection systems
- Eapplying user authentication
19Which phase of worm mitigation involves terminating the worm process, removing modified files or system settings that the worm introduced, and patching the vulnerability that the worm used to exploit the system?
- Acontainment
- Bnoculation
- Cquarantine
- Dtreatment
20Which characteristic best describes the network security Compliance domain as specified by the ISO/IEC?
- Athe integration of security into applications
- Ban inventory and classification scheme for information assets
- Cthe restriction of access rights to networks, systems, applications, functions, and data
- Dthe process of ensuring conformance with security information policies, standards, and regulations
21Which statement describes phone freaking?
- AA hacker uses password-cracking programs to gain access to a computer via a dialup account.
- BA hacker gains unauthorized access to networks via wireless access points.
- CA hacker mimics a tone using a whistle to make free long-distance calls on an analog telephone network.
- DA hacker uses a program that automatically scans telephone numbers within a local area, dialing each one in search of computers, bulletin board systems, and fax machines.
22Which two statements describe access attacks? (Choose two.)
- APort redirection attacks use a network adapter card in promiscuous mode to capture all network packets that are sent across a LAN.
- BPassword attacks can be implemented using brute-force attack methods, Trojan Horses, or packet sniffers.
- CBuffer overflow attacks write data beyond the allocated buffer memory to overwrite valid data or exploit systems to execute malicious code.
- DPort scanning attacks scan a range of TCP or UDP port numbers on a host to detect listening services.
- ETrust exploitation attacks can use a laptop acting as a rogue access point to capture and copy all network traffic in a public location on a wireless hotspot.
23Which statement accurately characterizes the evolution of network security?
- AInternal threats can cause even greater damage than external threats.
- BInternet architects planned for network security from the beginning.
- CEarly Internet users often engaged in activities that would harm other users.
- DThreats have become less sophisticated while the technical knowledge needed by an attacker has grown.
24 Which three options describe the phases of worm mitigation? (Choose three.)
- AThe containment phase requires the use of incoming and outgoing ACLs on routers and firewalls.
- BThe containment phase tracks down and identifies the infected machines within the contained areas.
- CThe inoculation phase disconnects, blocks, or removes infected machines.
- DThe inoculation phase patches uninfected systems with the appropriate vendor patch for the vulnerability.
- EThe quarantine phase terminates the worm process, removes modified files or system settings, and patches the vulnerability the worm used to exploit the system.
- FThe treatment phase disinfects actively infected systems.
25An attacker is using a laptop as a rogue access point to capture all network traffic from a targeted user. Which type of attack is this?
- Atrust exploitation
- Bbuffer overflow
- Cman in the middle
- Dport redirection
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- CCNA Security Quiz on CCNA Security Cp 1, created by Thomas Rowsome on 18/03/2018.
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- Thomas Rowsome
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