SSH is a network protocol that allows data to be exchanged between two networks using a secure channel. Which of the following encryption algorithms can be used by the SSH protocol?
Each correct answer represents a complete solution. Choose all that apply.
An organization has more than a couple of external business, and exchanges dynamic routing information with the external business partners. The organization wants to terminate all routing from a partner at an edge router, preferably receiving only summary routes from the partner. Which of the following will be used to change all partner addresses on traffic into a range of locally assigned addresses?
Which of the following command-line utilities is used to show the state of current TCP/IP connections?
Which of the following can be used to mitigate the evil twin phishing attack?
Sam works as a Security Manager for GenTech Inc. He has been assigned a project to detect reconnoitering activities. For this purpose, he has deployed a system in the network that attractsthe attention of an attacker. Which of the following rulebases will he use to accomplish the task?
You work as a Network Administrator for Infonet Inc. The company has a Windows Server 2008 Active Directory-based single forest multiple domain IPv4 network. All the DNS servers on the network run Windows Server 2008. The users in the network use NetBIOS name to connect network application on the network. You have migrated the network to IPv6-enabled network. Now you want to enable DNS Server to perform lookups in GlobalNames Zone. Which of the following commands will you use to accomplish the task?
Andrew works as a Forensic Investigator for PassGuide Inc. The company has a Windows-based environment. The company's employees use Microsoft Outlook Express as their e-mail client program. E-mails of some employees have been deleted due to a virus attack on the network. Andrew is therefore assigned the task to recover the deleted mails. Which of the following tools can Andrew use to accomplish the task?
Each correct answer represents a complete solution. Choose two.
John, a malicious hacker, forces a router to stop forwarding packets by flooding it with many open connections simultaneously so that all hosts behind it are effectively disabled. Which of the following attacks is John performing?
Which of the following intrusion detection systems (IDS) monitors network traffic and compares it against an established baseline?
Adam works as a Senior Programmer for Umbrella Inc. A project has been assigned to him to write a short program to gather user input for a Web application. He wants to keep his program neat and simple. His chooses to use printf(str) where he should have ideally used printf("%s", str).
What attack will his program expose the Web application to?
Which of the following configuration schemes in IPv6 allows a client to automatically configure its own IP address with or without IPv6 routers?
You work as a Firewall Analyst in the Tech Perfect Inc. The company has a Linux-based environment. You have installed and configured netfilter/iptables on all computer systems. What are the main features of netfilter/iptables?
Each correct answer represents a complete solution. Choose all that apply.
You work as a Security Administrator for Tech Perfect Inc. You have implemented and configured a web application security scanner in the company's network. It helps in the automated review of the web applications with the defined purpose of discovering security vulnerabilities. In order to perform this task, the web application security scanner examines a number of vulnerabilities.
What are these vulnerabilities?
Each correct answer represents a complete solution. Choose three.
Which of the following types of firewall functions by creating two different communications, one between the client and the firewall, and the other between the firewall and the end server?
Choose the best explanation for the resulting error when entering the command below.
In which of the following IDS evasion attacks does an attacker send a data packet such that IDS accepts the data packet but the host computer rejects it?
Which of the following is known as DNS spoofing?
You work as a Forensic Investigator. Which of the following rules will you follow while working on a case?
Each correct answer represents a part of the solution. Choose all that apply.
You work as a technician for Tech Perfect Inc. You are troubleshooting an Internet name resolution issue. You ping your ISP's DNS server address and find that the server is down. You want to continuously ping the DNS address until you have stopped the command. Which of the following commands will you use?
John works as a professional Ethical Hacker. He has been assigned the project of testing the security of John notices that the We-are-secure network is vulnerable to a man-inthe- middle attack since the key exchange process of the cryptographic algorithm it is using does not authenticate participants. Which of the following cryptographic algorithms is being used by the Weare- secure server?
Which of the following attacks can be mitigated by providing proper training to the employees in an organization?
The simplest form of a firewall is a packet filtering firewall. Typically a router works as a packet-filtering firewall and has the capability to filter on some of the contents of packets. On which of the following layers of the OSI reference model do these routers filter information?
Each correct answer represents a complete solution. Choose all that apply.
Which of the following programs can be used to detect stealth port scans performed by a malicious hacker?
Each correct answer represents a complete solution. Choose all that apply.
You are tasked with configuring your routers with a minimum security standard that includes the following:
l A local Username and Password configured on the router
l A strong privilege mode password
l Encryption of user passwords
l Configuring telnet and ssh to authenticate against the router user database
Choose the configuration that best meets these requirements.
You work as a Desktop Support Technician for umbrella Inc. The company uses a Windows-based network. An employee from the sales department is facing problem in the IP configuration of the network connection. He called you to resolve the issue. You suspect that the IP configuration is not configured properly. You want to use the ping command to ensure that IPv4 protocol is working on a computer. While running the ping command from the command prompt, you find that Windows Firewall is blocking the ping command. What is the cause of the issue?
Passive OS fingerprinting (POSFP) is configured in an organization's network in order to improve the alert output by reporting some information. Which of the following information does it include?
Each correct answer represents a part of the solution. Choose all that apply.
Which of the following types of firewalls increases the security of data packets by remembering the state of connection at the network and the session layers as they pass through the filter?
Which of the following IPv6 transition technologies is used by the DirectAccess if a user is in a remote location and a public IPv4 address, instead of public IPv6 address, has been assigned to the computer?
A firewall is a combination of hardware and software, used to provide security to a network. It is used to protect an internal network or intranet against unauthorized access from the Internet or other outside networks. It restricts inbound and outbound access and can analyze all traffic between an internal network and the Internet. Users can configure a firewall to pass or block packets from specific IP addresses and ports. Which of the following tools works as a firewall for the Linux 2.4 kernel?
Adam works as a Security Administrator for Umbrella Inc. A project has been assigned to him to secure access to the network of the company from all possible entry points. He segmented the network into several subnets and installed firewalls all over the network. He has placed very stringent rules on all the firewalls, blocking everything in and out except the ports that must be used. He does need to have port 80 open since his company hosts a website that must be accessed from the Internet. Adam is still worried about the programs like Hping2 that can get into a network through covert channels.
Which of the following is the most effective way to protect the network of the company from an attacker using Hping2 to scan his internal network?
Which of the following components are usually found in an Intrusion detection system (IDS)?
Each correct answer represents a complete solution. Choose two.
Which of the following protocols is used by TFTP as a file transfer protocol?
Which of the following attacks sends false ICMP packets in an attempt to cripple a system using random fake Internet source addresses?
Jacob is worried about sniffing attacks and wants to protect his SMTP transmissions from this attack. What can he do to accomplish this?
Which of the following firewall types operates at the Network layer of the OSI model and can filter data by port, interface address, source address, and destination address?
You work as a Network Administrator for Net Perfect Inc. The company has a Windows Server 2008- based network. You have created a test domain for testing IPv6 addressing. Which of the following types of addresses are supported by IPv6?
Each correct answer represents a complete solution. Choose all that apply.
Which of the following is used for debugging the network setup itself by determining whether all necessary routing is occurring properly, allowing the user to further isolate the source of a problem?
You send and receive messages on Internet. A man-in-the-middle attack can be performed to capture and read your message. Which of the following Information assurance pillars ensures the security of your message or data against this type of attack?
You work as a Network Administrator for TechPerfect Inc. The company has a corporate intranet setup.
A router is configured on your network to connect outside hosts to the internetworking. For security, you want to prevent outside hosts from pinging to the hosts on the internetwork. Which of the following steps will you take to accomplish the task?
On which of the following interfaces of the router is the clock rate command used?
Which of the following protocols is used with a tunneling protocol to provide security?
Which of the following tools is described below?
It is a set of tools that are used for sniffing passwords, e-mail, and HTTP traffic. Some of its tools include arpredirect, macof, tcpkill, tcpnice, filesnarf, and mailsnarf. It is highly effective for sniffing both switched and shared networks. It uses the arpredirect and macof tools for switching across switched networks. It can also be used to capture authentication information for FTP, telnet, SMTP, HTTP, POP, NNTP, IMAP, etc.
Peter works as a Technical Representative in a CSIRT for SecureEnet Inc. His team is called to investigate the computer of an employee, who is suspected for classified data theft. Suspect's computer runs on Windows operating system. Peter wants to collect data and evidences for further analysis. He knows that in Windows operating system, the data is searched in pre-defined steps for proper and efficient analysis. Which of the following is the correct order for searching data on a Windows based system?
Address Resolution Protocol (ARP) spoofing, also known as ARP poisoning or ARP Poison Routing (APR), is a technique used to attack an Ethernet wired or wireless network. ARP spoofing may allow an attacker to sniff data frames on a local area network (LAN), modify the traffic, or stop the traffic altogether. The principle of ARP spoofing is to send fake ARP messages to an Ethernet LAN.
What steps can be used as a countermeasure of ARP spoofing?
Each correct answer represents a complete solution. Choose all that apply.
John, a malicious hacker, forces a router to stop forwarding packets by flooding it with many open connections simultaneously so that all hosts behind it are effectively disabled. Which of the following attacks is John performing?
Adam works as a professional Computer Hacking Forensic Investigator, a project has been assigned to him to investigate and examine files present on suspect's computer. Adam uses a tool with the help of which he can examine recovered deleted files, fragmented files, and other corrupted data. He can also examine the data, which was captured from the network, and access the physical RAM, and any processes running in virtual memory with the help of this tool. Which of the following tools is Adam using?
You work as a Network Administrator for Tech Perfect Inc. The company has a TCP/IP-based network.
A firewall has been configured on the network. You configure a filter on the router. You verify that SMTP operations have stopped after the recent configuration. Which of the following ports will you have to open on the router to resolve the issue?
Which of the following ports cannot be used to access the router from a computer?
Which of the following limits the number of packets seen by tcpdump?
A scenario involves a pool of users with private IP addresses who need to access the Internet; however, the company has a limited number of IP addresses and needs to ensure users occupy only one public IP address.
Which technology is used to allow a pool of users to share one global IP address for Internet access?
Fill in the blank with appropriate address translation type.
A______ performs translation of one IP address to a different one automatically. It requires manually defining two sets of addresses on the address translation device (probably a router). One set defines which inside addresses are allowed to be translated, and the other defines what these addresses are to be translated to.
Which of the following attacking methods allows the bypassing of access control lists on servers or routers, either hiding a computer on a network or allowing it to impersonate another computer by changing the Media Access Control address?
Which of the following wireless security features provides the best wireless security mechanism?
In which of the following conditions is the SYN Protector rule base activated in passive mode?
You work as a professional Computer Hacking Forensic Investigator for DataEnet Inc. You want to investigate e-mail information of an employee of the company. The suspected employee is using an online e-mail system such as Hotmail or Yahoo. Which of the following folders on the local computer will you review to accomplish the task?
Each correct answer represents a complete solution. Choose all that apply.
Which of the following IDs is used to reassemble the fragments of a datagram at the destination point?
You work as a Security Administrator for Tech Perfect Inc. You have implemented and configured a web application security scanner in the company's network. It helps in the automated review of
the web applications with the defined purpose of discovering security vulnerabilities. In order to perform this task, the web application security scanner examines a number of vulnerabilities. What are these vulnerabilities?
Each correct answer represents a complete solution. Choose three.
John works as a professional Ethical Hacker. He has been assigned the project of testing the security of He has successfully completed the following steps of the preattack phase:
l Information gathering
l Determining network range
l Identifying active machines
l Finding open ports and applications
l OS fingerprinting
l Fingerprinting services
Now John wants to perform network mapping of the We-are-secure network. Which of the following tools can he use to accomplish his task?
Each correct answer represents a complete solution. Choose all that apply.
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