Info Security Questions

What ISO security standard can help guide the creation of an organizations security policy?

27002

Which one of the following is NOT an area of critical infrastructure where the Internet of Things (IoT) is likely to spur economic development in less developed countries?

E-commerce

Which tool can capture the packets transmitted between systems over a network?

Protocol analyzer

Which information security objective allows trusted entities to endorse information?

Certification

In Mobile IP, what term describes a device that would like to communicate with a mobile node (MN)?

Correspondent node (CN)

Which one of the following is an example of a disclosure threat?

Espionage

Which one of the following governs the use of Internet of Things (IoT) by healthcare providers, such as physicians and hospitals?

Health Insurance Portability and Accountability Act (HIPAA)

Which one of the following is NOT a good technique for performing authentication of an end user?

Identification number

Which one of the following measures the average amount of time that it takes to repair a system, application, or component?

Mean time to repair (MTTR)

What is NOT a symmetric encryption algorithm?

Rivest-Shamir- Adelman (RSA)

Which set of characteristics describes the Caesar cipher accurately?

Symmetric, stream, substitution

Which type of cipher works by rearranging the characters in a message?

Transposition

Matthew captures traffic on his network and notices connections using ports 20, 22, 23, and 80. Which port normally hosts a protocol that uses secure, encrypted connections?

22

Henry is creating a firewall rule that will allow inbound mail to the organization. What TCP port must he allow through the firewall?

25

What is the maximum value for any octet in an IPv4 IP address?

255

Henrys last firewall rule must allow inbound access to a Windows Terminal Server. What port must he allow?

3389

Henry would like to create a different firewall rule that allows encrypted web traffic to reach a web server. What port is used for that communication?

443

What is NOT a valid encryption key length for use with the Blowfish algorithm?

512 bits

Bob is using a port scanner to identify open ports on a server in his environment. He is scanning a web server that uses Hypertext Transfer Protocol (HTTP). Which port should Bob expect to be open to support this service?

80

Juans web server was down for an entire day last September. It experienced no other downtime during that month. Which one of the following represents the web server uptime for that month?

96.67%

Brian notices an attack taking place on his network. When he digs deeper, he realizes that the attacker has a physical presence on the local network and is forging Media Access Control (MAC) addresses. Which type of attack is most likely taking place?

Address Resolution Protocol (ARP) poisoning

Norm recently joined a new organization. He noticed that the firewall technology used by his new firm opens separate connections between the devices on both sides of the firewall. What type of technology is being used?

Application proxying

Which action is the best step to protect Internet of Things (IoT) devices from becoming the entry point for security vulnerabilities into a network while still meeting business requirements?

Applying security updates promptly

Which security control is most helpful in protecting against eavesdropping on wireless LAN (WLAN) data transmissions that would jeopardize confidentiality?

Applying strong encryption

Which password attack is typically used specifically against password files that contain cryptographic hashes?

Birthday attacks

Alice would like to send a message to Bob securely and wishes to encrypt the contents of the message. What key does she use to encrypt this message?

Bobs public key

Ron is the IT director at a medium-sized company and is constantly bombarded by requests from users who want to select customized mobile devices. He decides to allow users to purchase their own devices. Which type of policy should Ron implement to include the requirements and security controls for this arrangement?

Bring Your Own Device (BYOD)

Karen would like to use a wireless authentication technology similar to that found in hotels where users are redirected to a webpage when they connect to the network. What technology should she deploy?

Captive portal

Jody would like to find a solution that allows real-time document sharing and editing between teams. Which technology would best suit her needs?

Collaboration

Alison discovers that a system under her control has been infected with malware, which is using a key logger to report user keystrokes to a third party. What information security property is this malware attacking?

Confidentiality

Larry recently viewed an auction listing on a website. As a result, his computer executed code that popped up a window that asked for his password. What type of attack has Larry likely encountered?

Cross-site scripting (XSS)

What program, released in 2013, is an example of ransomware?

Crypt0L0cker

What is NOT one of the four main purposes of an attack?

Data import

Betty receives a cipher text message from her colleague Tim. What type of function does Betty need to use to read the plaintext message?

Decryption

Which technology can be used to protect the privacy rights of individuals and simultaneously allow organizations to analyze data in aggregate?

Deidentification

Alice and Bob would like to communicate with each other using a session key but they do not already have a shared secret key. Which algorithm can they use to exchange a secret key?

Diffie-Hellman

Which type of attack involves the creation of some deception in order to trick unsuspecting users?

Fabrication

What mathematical problem forms the basis of most modern cryptographic algorithms?

Factoring large primes

In the Remote Access Domain, if private data or confidential data is compromised remotely, you should set automatic blocking for attempted logon retries.

False

The asset protection policy defines an organizations data classification standard.

False

The weakest link in the security of an IT infrastructure is the server.

False

What is NOT a common motivation for attackers?

Fear

Which compliance obligation includes security requirements that apply specifically to federal government agencies in the United States?

Federal Information Security Management Act (FISMA)

Which control is not designed to combat malware?

Firewalls

What type of firewall security feature limits the volume of traffic from individual hosts?

Flood guard

Which one of the following is NOT a market driver for the Internet of Things (IoT)?

Global adoption of non-IP networking

Which type of denial of service attack exploits the existence of software flaws to disrupt a service?

Logic attack

Brian would like to conduct a port scan against his systems to determine how they look from an attackers viewpoint. What tool can he use for this purpose?

Nmap

Gwens company is planning to accept credit cards over the Internet. Which one of the following governs this type of activity and includes provisions that Gwen should implement before accepting credit card transactions?

Payment Card Industry Data Security Standard (PCI DSS)

Which element of the security policy framework requires approval from upper management and applies to the entire organization?

Policy

Hilda is troubleshooting a problem with the encryption of data. At which layer of the OSI Reference Model is she working?

Presentation

Which approach to cryptography provides the strongest theoretical protection?

Quantum cryptography

Which group is the most likely target of a social engineering attack?

Receptionists and administrative assistants

What type of malicious software allows an attacker to remotely control a compromised computer?

Remote Access Tool (RAT)

Bob is developing a web application that depends upon a database backend. What type of attack could a malicious individual use to send commands through his web application to the database?

SQL injection

What firewall approach is shown in the figure?

Screened subnet

Kairas company recently switched to a new calendaring system provided by a vendor. Kaira and other users connect to the system, hosted at the vendors site, using a web browser. Which service delivery model is Kairas company using?

Software as a Service (SaaS)

What type of network device normally connects directly to endpoints and uses MAC-based filtering to limit traffic flows?

Switch

Which type of virus targets computer hardware and software startup functions?

System infector

Which term describes an action that can damage or compromise an asset?

Threat

Which term describes any action that could damage an asset?

Threat

Breannes system was infected by malicious code after she installed an innocent-looking solitaire game that she downloaded from the Internet. What type of malware did she likely encounter?

Trojan horse

What type of malicious software masquerades as legitimate software to entice the user to run it?

Trojan horse

For businesses and organizations under recent compliance laws, data classification standards typically include private, confidential, internal use only, and public domain categories.

True

The director of IT security is generally in charge of ensuring that the Workstation Domain conforms to policy.

True

The most critical aspect of a WAN services contract is how the service provider supplies troubleshooting, network management, and security management services.

True

Florian recently purchased a set of domain names that are similar to those of legitimate websites and used the newly purchased sites to host malware. Which type of attack is Florian using?

Typosquatting

What is NOT an effective key distribution method for plaintext encryption keys?

Unencrypted email

What is NOT a typical sign of virus activity on a system?

Unexpected power failures

An attacker attempting to break into a facility pulls the fire alarm to distract the security guard manning an entry point. Which type of social engineering attack is the attacker using?

Urgency

What is the only unbreakable cipher when it is used properly?

Vernam

Yuri is a skilled computer security expert who attempts to break into the systems belonging to his clients. He has permission from the clients to perform this testing as part of a paid contract. What type of person is Yuri?

White-hat hacker

Val would like to limit the websites that her users visit to those on an approved list of pre-cleared sites. What type of approach is Val advocating?

Whitelisting

What tool might be used by an attacker during the reconnaissance phase of an attack to glean information about domain registrations?

Whois

Gary is configuring a Smartphone and is selecting a wireless connectivity method. Which approach will provide him with the highest speed wireless connectivity?

Wi-Fi

What type of network connects systems over the largest geographic area?

Wide area network (WAN)

What standard is NOT secure and should never be used on modern wireless networks?

Wired Equivalent Privacy (WEP)

What wireless security technology contains significant flaws and should never be used?

Wired Equivalent Privacy (WEP)

What is NOT a service commonly offered by unified threat management (UTM) devices?

Wireless network access

Which type of attack against a web application uses a newly discovered vulnerability that is not patchable?

Zero-day attack

What file type is least likely to be impacted by a file infector virus?

.docx

Alice would like to send a message to Bob using a digital signature. What cryptographic key does Alice use to create the digital signature?

Alices private key

Bob received a message from Alice that contains a digital signature. What cryptographic key does Bob use to verify the digital signature?

Alices public key

Which cryptographic attack offers cryptanalysts the most information about how an encryption algorithm works?

Chosen plaintext

Networks, routers, and equipment require continuous monitoring and management to keep wide area network (WAN) service available.

True

The System/Application Domain holds all the mission-critical systems, applications, and data.

True

Which one of the following is typically used during the identification phase of a remote access connection?

Username

Bob has a high-volume virtual private network (VPN). He would like to use a device that would best handle the required processing power. What type of device should he use?

VPN concentrator

Val would like to isolate several systems belonging to the product development group from other systems on the network, without adding new hardware. What technology can she use?

Virtual LAN (VLAN)

Which risk is most effectively mitigated by an upstream Internet service provider (ISP)?

Distributed denial of service (DDoS)

What protocol is responsible for assigning IP addresses to hosts on most networks?

Dynamic Host Configuration Protocol (DHCP)

Barry discovers that an attacker is running an access point in a building adjacent to his company. The access point is broadcasting the security set identifier (SSID) of an open network owned by the coffee shop in his lobby. Which type of attack is likely taking place?

Evil twin

David would like to connect a fibre channel storage device to systems over a standard data network. What protocol can he use?

Fibre Channel over Ethernet (FCoE)

Which element of the security policy framework offers suggestions rather than mandatory actions?

Guideline

What type of function generates the unique value that corresponds to the contents of a message and is used to create a digital signature?

Hash

Which one of the following is an example of a business-to- consumer (B2C) application of the Internet of Things (IoT)?

Health monitoring

With the use of Mobile IP, which device is responsible for keeping track of mobile nodes (MNs) and forwarding packets to the MNs current network?

Home agent (HA)

What type of system is intentionally exposed to attackers in an attempt to lure them out?

Honeypot

Terry is troubleshooting a network that is experiencing high traffic congestion issues. Which device, if present on the network, should be replaced to alleviate these issues?

Hub

Gary is sending a message to Patricia. He wants to ensure that nobody tampers with the message while it is in transit. What goal of cryptography is Gary attempting to achieve?

Integrity

Yolanda would like to prevent attackers from using her network as a relay point for a smurf attack. What protocol should she block?

Internet Control Message Protocol (ICMP)

Which organization pursues standards for Internet of Things (IoT) devices and is widely recognized as the authority for creating standards on the Internet?

Internet Engineering Task Force

Which Internet of Things (IoT) challenge involves the difficulty of developing and implementing protocols that allow devices to communicate in a standard fashion?

Interoperability

Which network device is capable of blocking network connections that are identified as potentially malicious?

Intrusion prevention system (IPS)

When Patricia receives a message from Gary, she wants to be able to demonstrate to Sue that the message actually came from Gary. What goal of cryptography is Patricia attempting to achieve?

Nonrepudiation

Which of the following allows a certificate authority (CA) to revoke a compromised digital certificate in real time?

Online Certificate Status Protocol (OCSP)

Marias company recently experienced a major system outage due to the failure of a critical component. During that time period, the company did not register any sales through its online site. Which type of loss did the company experience as a result of lost sales?

Opportunity cost

Tony is working with a law enforcement agency to place a wiretap pursuant to a legitimate court order. The wiretap will monitor communications without making any modifications. What type of wiretap is Tony placing?

Passive wiretap

Which mitigation plan is most appropriate to limit the risk of unauthorized access to workstations?

Password protection

Adam discovers a virus on his system that is using encryption to modify itself. The virus escapes detection by signature-based antivirus software. What type of virus has he discovered?

Polymorphic virus

Which of the following is NOT one of the four fundamental principles outlined by the Internet Society that will drive the success of Internet of Things (IoT) innovation?

Secure

From a security perspective, what should organizations expect will occur as they become more dependent upon the Internet of Things (IoT)?

Security risks will increase.

Which scenario presents a unique challenge for developers of mobile applications?

Selecting multiple items from a list

Gwen is investigating an attack. An intruder managed to take over the identity of a user who was legitimately logged into Gwens companys website by manipulating Hypertext Transfer Protocol (HTTP) headers. Which type of attack likely took place?

Session hijacking

In which type of attack does the attacker attempt to take over an existing connection between two systems?

Session hijacking

Barbara is investigating an attack against her network. She notices that the Internet Control Message Protocol (ICMP) echo replies coming into her network far exceed the ICMP echo requests leaving her network. What type of attack is likely taking place?

Smurf

The CEO of Kellys company recently fell victim to an attack. The attackers sent the CEO an email informing him that his company was being sued and he needed to view a subpoena at a court website. When visiting the website, malicious code was downloaded onto the CEOs computer. What type of attack took place?

Spear phishing

Users throughout Alisons organization have been receiving unwanted commercial messages over the organizations instant messaging program. What type of attack is taking place?

Spim

Which one of the following is an advantage that the Internet of Things (IoT) brings to economic development for countries?

Technical and industry development

Which one of the following is NOT an example of store-and- forward messaging?

Telephone call