210-260 Exam
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New Cisco 210-260 Exam Dumps Collection (Question 13 - Question 22)
Question No: 13
Which description of the nonsecret numbers that are used to start a Diffie-Hellman exchange is true?
A. They are large pseudorandom numbers.
B. They are very small numbers chosen from a table of known values
C. They are numeric values extracted from hashed system hostnames.
D. They are preconfigured prime integers
Answer: D
Question No: 14
Which two options are advantages of an application layer firewall? (Choose two.)
A. provides high-performance filtering
B. makes DoS attacks difficult
C. supports a large number of applications
D. authenticates devices
E. authenticates individuals
Answer: B,E
Explanation:
http://www.cisco.com/en/US/prod/collateral/vpndevc/ps6032/ps6094/ps6120/prod_white_paper0900aecd8058ec85.html
Adding Intrusion Prevention
Gartner's definition of a next-generation firewall is one that combines firewall filtering and intrusion prevention systems (IPSs). Like firewalls, IPSs filter packets in real time. But instead of filtering based on user profiles and application policies, they scan for known malicious patterns in incoming code, called signatures. These signatures indicate the presence of malware, such as worms, Trojan horses, and spyware.
Malware can overwhelm server and network resources and cause denial of service (DoS) to internal employees, external Web users, or both. By filtering for known malicious signatures, IPSs add an extra layer of security to firewall capabilities; once the malware is detected by the IPS, the system will block it from the network.
Firewalls provide the first line of defense in any organization's network security infrastructure. They do so by matching corporate policies about users' network access rights to the connection information surrounding each access attempt. If the variables don't match, the firewall blocks the access connection. If the variables do match, the firewall allows the acceptable traffic to flow through the network.
In this way, the firewall forms the basic building block of an organization's network security architecture. It pays to use one with superior performance to maximize network uptime for business-critical operations. The reason is that the rapid addition of voice, video, and collaborative traffic to corporate networks is driving the need for firewall engines that operate at very high speeds and that also support application-level inspection. While standard Layer 2 and Layer 3 firewalls prevent unauthorized access to internal and external networks, firewalls
enhanced with application-level inspection examine, identify, and verify application types at Layer 7 to make sure unwanted or misbehaving application traffic doesn't join the network. With these capabilities, the firewall can enforce endpoint user registration and authentication and provide administrative control over the use of multimedia applications.
Question No: 15
In which two situations should you use in-band management? (Choose two.)
A. when management applications need concurrent access to the device
B. when you require administrator access from multiple locations
C. when a network device fails to forward packets
D. when you require ROMMON access
E. when the control plane fails to respond
Answer: A,B
Question No: 16
Which three statements describe DHCP spoofing attacks? (Choose three.)
A. They can modify traffic in transit.
B. They are used to perform man-in-the-middle attacks.
C. They use ARP poisoning.
D. They can access most network devices.
E. They protect the identity of the attacker by masking the DHCP address.
F. They are can physically modify the network gateway.
Answer: A,B,C
Question No: 17
Which actions can a promiscuous IPS take to mitigate an attack? (Choose three.)
A. Modifying packets
B. Requesting connection blocking
C. Denying packets
D. Resetting the TCP connection
E. Requesting host blocking
F. Denying frames
Answer: B,D,E
Question No: 18
What are two options for running Cisco SDM? (Choose two)
A. Running SDM from a mobile device.
B. Running SDM from a routeru2021s flash.
C. Running SDM from a PC
D. Running SDM from within CiscoWorks
E. Running SDM from the Cisco web portal.
Answer: C,E
Question No: 19
What command can you use to verify the binding table status?
A. show ip dhcp snooping database
B. show ip dhcp snooping binding
C. show ip dhcp snooping statistics
D. show ip dhcp pool
E. show ip dhcp source binding
F. show ip dhcp snooping
Answer: A
Question No: 20
If a switch port goes directly into a blocked state only when a superior BPDU is received, what mechanism must be in use?
A. STP BPDU guard
B. loop guard
C. STP Root guard
D. EtherChannel guard
Answer: A
Question No: 21
Which two characteristics apply to an Intrusion Prevention System (IPS) ? Choose two
A. Does not add delay to the original traffic.
B. Cabled directly inline with the flow of the network traffic.
C. Can drop traffic based on a set of rules.
D. Runs in promoscous mode.
E. Cannot drop the packet on its own
Answer: B,C
Explanation: + Position in the network flow: Directly inline with the flow of network traffic and every packet goes through the sensor on its way through the network.
+ Mode: Inline mode
+ The IPS can drop the packet on its own because it is inline. The IPS can also request assistance from
another device to block future packets just as the IDS does.
Source: Cisco Official Certification Guide, Table 17-2 IDS Versus IPS, p.461
Question No: 22
Which Sourcefire logging action should you choose to record the most detail about a connection?
A. Enable logging at the end of the session.
B. Enable logging at the beginning of the session.
C. Enable alerts via SNMP to log events off-box.
D. Enable eStreamer to log events off-box.
Answer: A
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