Final Exam

Which portion of the Snort IPS rule header identifies the destination port? alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS any $HTTP_PORTS $HOME_NET tcp

$HTTP_PORTS

A company implements a security policy that ensures that a file sent from the headquarters office to the branch office can only be opened with a predetermined code. This code is changed every day. Which two algorithms can be used to achieve this task? (Choose two.) HMAC MD5 3DES SHA-1 AES

3DES AES

What is a characteristic of a role-based CLI view of router configuration? A CLI view has a command hierarchy, with higher and lower views. When a superview is deleted, the associated CLI views are deleted.​ A single CLI view can be shared within multiple superviews. Only a superview user can configure a new view and add or remove commands from the existing views.​

A single CLI view can be shared within multiple superviews.

Which two characteristics apply to role-based CLI access superviews? (Choose two.) A specific superview cannot have commands added to it directly. CLI views have passwords, but superviews do not have passwords. A single superview can be shared among multiple CLI views. Deleting a superview deletes all associated CLI views. Users logged in to a superview can access all commands specified within the associated CLI views.

A specific superview cannot have commands added to it directly. Users logged in to a superview can access all commands specified within the associated CLI views.

What are two differences between stateful and packet filtering firewalls? (Choose two.) A packet filtering firewall will prevent spoofing by determining whether packets belong to an existing connection while a stateful firewall follows pre-configured rule sets. A stateful firewall provides more stringent control over security than a packet filtering firewall. A packet filtering firewall is able to filter sessions that use dynamic port negotiations while a stateful firewall cannot. A stateful firewall will provide more logging information than a packet filtering firewall. A statefull firewall will examine each packet individually while a packet filtering firewall observes the state of a connection.

A stateful firewall provides more stringent control over security than a packet filtering firewall. A stateful firewall will provide more logging information than a packet filtering firewall.

When describing malware, what is a difference between a virus and a worm? A virus focuses on gaining privileged access to a device, whereas a worm does not. A virus replicates itself by attaching to another file, whereas a worm can replicate itself independently. A virus can be used to launch a DoS attack (but not a DDoS), but a worm can be used to launch both DoS and DDoS attacks. A virus can be used to deliver advertisements without user consent, whereas a worm cannot.

A virus replicates itself by attaching to another file, whereas a worm can replicate itself independently.

When an inbound Internet-traffic ACL is being implemented, what should be included to prevent the spoofing of internal networks? ACEs to prevent traffic from private address spaces ACEs to prevent broadcast address traffic ACEs to prevent ICMP traffic ACEs to prevent HTTP traffic ACEs to prevent SNMP traffic

ACEs to prevent traffic from private address spaces

What is needed to allow specific traffic that is sourced on the outside network of an ASA firewall to reach an internal network? ACL NAT dynamic routing protocols outside security zone level 0

ACL

Refer to the exhibit. What algorithm will be used for providing confidentiality? RSA Diffie-Hellman DES AES

AES

Match the ASA special hardware modules to the description. CSC AIP AIP-SSM

AIP: supports advanced IPS capability CSC: supports antimalware capabilities AIP-SSM: support protection against tens of thousands of known exploits.

What provides both secure segmentation and threat defense in a Secure Data Center solution? Cisco Security Manager software AAA server Adaptive Security Appliance intrusion prevention system

Adaptive Security Appliance

What will be the result of failed login attempts if the following command is entered into a router? login block-for 150 attempts 4 within 90 All login attempts will be blocked for 150 seconds if there are 4 failed attempts within 90 seconds. All login attempts will be blocked for 90 seconds if there are 4 failed attempts within 150 seconds. All login attempts will be blocked for 1.5 hours if there are 4 failed attempts within 150 seconds. All login attempts will be blocked for 4 hours if there are 90 failed attempts within 150 seconds.

All login attempts will be blocked for 150 seconds if there are 4 failed attempts within 90 seconds.

A network analyst is configuring a site-to-site IPsec VPN. The analyst has configured both the ISAKMP and IPsec policies. What is the next step? Configure the hash as SHA and the authentication as pre-shared. Apply the crypto map to the appropriate outbound interfaces. Issue the show crypto ipsec sa command to verify the tunnel. Verify that the security feature is enabled in the IOS.

Apply the crypto map to the appropriate outbound interfaces.

What are two drawbacks in assigning user privilege levels on a Cisco router? (Choose two.) Only a root user can add or remove commands. Privilege levels must be set to permit access control to specific device interfaces, ports, or slots. Assigning a command with multiple keywords allows access to all commands using those keywords. Commands from a lower level are always executable at a higher level. AAA must be enabled.

Assigning a command with multiple keywords allows access to all commands using those keywords. Commands from a lower level are always executable at a higher level.

What characteristic of the Snort term-based subscriptions is true for both the community and the subscriber rule sets? Both have a 30-day delayed access to updated signatures. Both use Cisco Talos to provide coverage in advance of exploits. Both are fully supported by Cisco and include Cisco customer support. Both offer threat protection against security threats.

Both offer threat protection against security threats.

Which three types of traffic are allowed when the authentication port-control auto command has been issued and the client has not yet been authenticated? (Choose three.) CDP 802.1Q IPsec TACACS+ STP EAPOL

CDP STP EAPOL

What tool is available through the Cisco IOS CLI to initiate security audits and to make recommended configuration changes with or without administrator input? Control Plane Policing Cisco AutoSecure Cisco ACS Simple Network Management Protocol

Cisco AutoSecure

In the implementation of security on multiple devices, how do ASA ACLs differ from Cisco IOS ACLs? Cisco IOS routers utilize both named and numbered ACLs and Cisco ASA devices utilize only numbered ACLs. Cisco IOS ACLs are configured with a wildcard mask and Cisco ASA ACLs are configured with a subnet mask. Cisco IOS ACLs are processed sequentially from the top down and Cisco ASA ACLs are not processed sequentially. Cisco IOS ACLs utilize an implicit deny all and Cisco ASA ACLs end with an implicit permit all.

Cisco IOS ACLs are configured with a wildcard mask and Cisco ASA ACLs are configured with a subnet mask.

A security analyst is configuring Snort IPS. The analyst has just downloaded and installed the Snort OVA file. What is the next step? Verify Snort IPS. Configure Virtual Port Group interfaces. Enable IPS globally or on desired interfaces. Activate the virtual services.

Configure Virtual Port Group interfaces.

If AAA is already enabled, which three CLI steps are required to configure a router with a specific view? (Choose three.) Create a superview using the parser view view-name command. Associate the view with the root view. Assign users who can use the view. Create a view using the parser view view-name command. Assign a secret password to the view. Assign commands to the view.

Create a view using the parser view view-name command. Assign a secret password to the view. Assign commands to the view.

Which two protocols generate connection information within a state table and are supported for stateful filtering? (Choose two.) ICMP UDP DHCP TCP HTTP

DHCP TCP

A recently created ACL is not working as expected. The admin determined that the ACL had been applied inbound on the interface and that was the incorrect direction. How should the admin fix this issue? Delete the original ACL and create a new ACL, applying it outbound on the interface. Add an association of the ACL outbound on the same interface. Fix the ACE statements so that it works as desired inbound on the interface. Remove the inbound association of the ACL on the interface and reapply it outbound.

Delete the original ACL and create a new ACL, applying it outbound on the interface.

Which measure can a security analyst take to perform effective security monitoring against network traffic encrypted by SSL technology? Use a Syslog server to capture network traffic. Deploy a Cisco SSL Appliance. Require remote access connections through IPsec VPN. Deploy a Cisco ASA.

Deploy a Cisco SSL Appliance.

Refer to the exhibit. What algorithm is being used to provide public key exchange? SHA RSA Diffie-Hellman AES

Diffie-Hellman

Match the security technology with the description. Digital Signatures Digital Certificates PKI

Digital Signatures: authenticity and integrity of software code Digital Certificates: auth and verify that the user sending it is who they say they are PKI: scale distribution of public encryption keys

What is the best way to prevent a VLAN hopping attack? Disable trunk negotiation for trunk ports and statically set nontrunk ports as access ports. Disable STP on all nontrunk ports. Use VLAN 1 as the native VLAN on trunk ports. Use ISL encapsulation on all trunk links.

Disable trunk negotiation for trunk ports and statically set nontrunk ports as access ports.

Which Cisco solution helps prevent ARP spoofing and ARP poisoning attacks? Dynamic ARP Inspection IP Source Guard DHCP Snooping Port Security

Dynamic ARP Inspection

Which three statements are generally considered to be best practices in the placement of ACLs? (Choose three.) Filter unwanted traffic before it travels onto a low-bandwidth link. Place standard ACLs close to the destination IP address of the traffic. Place standard ACLs close to the source IP address of the traffic. Place extended ACLs close to the destination IP address of the traffic. Place extended ACLs close to the source IP address of the traffic. For every inbound ACL placed on an interface, there should be a matching outbound ACL.

Filter unwanted traffic before it travels onto a low-bandwidth link. Place standard ACLs close to the destination IP address of the traffic. Place extended ACLs close to the source IP address of the traffic. (Extend source, destination standard)

Which two steps are required before SSH can be enabled on a Cisco router? (Choose two.) Give the router a host name and domain name. Create a banner that will be displayed to users when they connect. Generate a set of secret keys to be used for encryption and decryption. Set up an authentication server to handle incoming connection requests. Enable SSH on the physical interfaces where the incoming connection requests will be received.

Give the router a host name and domain name. Generate a set of secret keys to be used for encryption and decryption.

Which statement is a feature of HMAC? HMAC uses a secret key that is only known to the sender and defeats man-in-the-middle attacks. HMAC uses protocols such as SSL or TLS to provide session layer confidentiality. HMAC uses a secret key as input to the hash function, adding authentication to integrity assurance. HMAC is based on the RSA hash function.

HMAC uses a secret key as input to the hash function, adding authentication to integrity assurance.

Refer to the exhibit. The IPv6 access list LIMITED_ACCESS is applied on the S0/0/0 interface of R1 in the inbound direction. Which IPv6 packets from the ISP will be dropped by the ACL on R1? HTTPS packets to PC1 ICMPv6 packets that are destined to PC1 packets that are destined to PC1 on port 80 neighbor advertisements that are received from the ISP router

ICMPv6 packets that are destined to PC1

What is typically used to create a security trap in the data center facility? IDs, biometrics, and two access doors high resolution monitors redundant authentication servers a server without all security patches applied

IDs, biometrics, and two access doors

In an attempt to prevent network attacks, cyber analysts share unique identifiable attributes of known attacks with colleagues. What three types of attributes or indicators of compromise are helpful to share? (Choose three.) IP addresses of attack servers changes made to end system software netbios names of compromised firewalls features of malware files BIOS of attacking systems system ID of compromised systems

IP addresses of attack servers changes made to end system software features of malware files

Which two statements describe the use of asymmetric algorithms? (Choose two.) Public and private keys may be used interchangeably. If a public key is used to encrypt the data, a public key must be used to decrypt the data. If a private key is used to encrypt the data, a public key must be used to decrypt the data. If a public key is used to encrypt the data, a private key must be used to decrypt the data. If a private key is used to encrypt the data, a private key must be used to decrypt the data.

If a private key is used to encrypt the data, a public key must be used to decrypt the data. If a public key is used to encrypt the data, a private key must be used to decrypt the data.

What functionality is provided by Cisco SPAN in a switched network? It mirrors traffic that passes through a switch port or VLAN to another port for traffic analysis. It prevents traffic on a LAN from being disrupted by a broadcast storm. It protects the switched network from receiving BPDUs on ports that should not be receiving them. It copies traffic that passes through a switch interface and sends the data directly to a syslog or SNMP server for analysis. It inspects voice protocols to ensure that SIP, SCCP, H.323, and MGCP requests conform to voice standards. It mitigates MAC address overflow attacks.

It mirrors traffic that passes through a switch port or VLAN to another port for traffic analysis.

Which statement describes an important characteristic of a site-to-site VPN? It must be statically set up. It is ideally suited for use by mobile workers. It requires using a VPN client on the host PC. After the initial connection is established, it can dynamically change connection information. It is commonly implemented over dialup and cable modem networks.

It must be statically set up.

Which statement describes a characteristic of the IKE protocol? It uses UDP port 500 to exchange IKE information between the security gateways. IKE Phase 1 can be implemented in three different modes: main, aggressive, or quick. It allows for the transmission of keys directly across a network. The purpose of IKE Phase 2 is to negotiate a security association between two IKE peers.

It uses UDP port 500 to exchange IKE information between the security gateways.

Which two options are security best practices that help mitigate BYOD risks? (Choose two.) Use paint that reflects wireless signals and glass that prevents the signals from going outside the building. Keep the device OS and software updated. Only allow devices that have been approved by the corporate IT team. Only turn on Wi-Fi when using the wireless network. Decrease the wireless antenna gain level. Use wireless MAC address filtering.

Keep the device OS and software updated. Only turn on Wi-Fi when using the wireless network.

What network testing tool is used for password auditing and recovery? Nessus Metasploit L0phtcrack SuperScan

L0phtcrack

A researcher is comparing the differences between a stateless firewall and a proxy firewall. Which two additional layers of the OSI model are inspected by a proxy firewall? (Choose two.) Layer 3 Layer 4 Layer 5 Layer 6 Layer 7

Layer 5 Layer 7

How does a Caesar cipher work on a message? Letters of the message are replaced by another letter that is a set number of places away in the alphabet. Letters of the message are rearranged randomly. Letters of the message are rearranged based on a predetermined pattern. Words of the message are substituted based on a predetermined pattern.

Letters of the message are replaced by another letter that is a set number of places away in the alphabet.

Which algorithm can ensure data integrity? RSA AES MD5 PKI

MD5

What network testing tool can be used to identify network layer protocols running on a host? SIEM Nmap L0phtcrack Tripwire

Nmap

What are two methods to maintain certificate revocation status? (Choose two.) subordinate CA OCSP DNS LDAP CRL

OCSP CRL

What technology has a function of using trusted third-party protocols to issue credentials that are accepted as an authoritative identity? digital signatures hashing algorithms PKI certificates symmetric keys

PKI certificates

Match each IPS signature trigger category with the description. Pattern based detection Anomaly based detection Policy based detection Honey Pot based detection

Pattern based detection: simplest triggering mech Anomaly based detection: involves first defining Policy based detection: adminimstrator to manually define suspicious behaviors Honey Pot based detection: uses decoy server

Refer to the exhibit. A network administrator is configuring a VPN between routers R1 and R2. Which commands would correctly configure a pre-shared key for the two routers? R1(config)# username R2 password 5tayout!R2(config)# username R1 password 5tayout! R1(config)# crypto isakmp key 5tayout! address 64.100.0.2R2(config)# crypto isakmp key 5tayout! address 64.100.0.1 R1(config)# crypto isakmp key 5tayout! hostname R1R2(config)# crypto isakmp key 5tayout! hostname R2 R1(config-if)# ppp pap sent-username R1 password 5tayout!R2(config-if)# ppp pap sent-username R2 password 5tayout!

R1(config)# crypto isakmp key 5tayout! address 64.100.0.2 R2(config)# crypto isakmp key 5tayout! address 64.100.0.1

Refer to the exhibit. Which pair of crypto isakmp key commands would correctly configure PSK on the two routers? R1(config)# crypto isakmp key cisco123 address 209.165.200.227R2(config)# crypto isakmp key cisco123 address 209.165.200.226 R1(config)# crypto isakmp key cisco123 address 209.165.200.226R2(config)# crypto isakmp key cisco123 address 209.165.200.227 R1(config)# crypto isakmp key cisco123 hostname R1R2(config)# crypto isakmp key cisco123 hostname R2 R1(config)# crypto isakmp key cisco123 address 209.165.200.226R2(config)# crypto isakmp key secure address 209.165.200.227

R1(config)# crypto isakmp key cisco123 address 209.165.200.227 R2(config)# crypto isakmp key cisco123 address 209.165.200.226

What function is provided by the RADIUS protocol? RADIUS provides encryption of the complete packet during transfer. RADIUS provides separate AAA services. RADIUS provides separate ports for authorization and accounting. RADIUS provides secure communication using TCP port 49.

RADIUS provides separate ports for authorization and accounting.

An administrator is trying to develop a BYOD security policy for employees that are bringing a wide range of devices to connect to the company network. Which three objectives must the BYOD security policy address? (Choose three.) All devices must be insured against liability if used to compromise the corporate network. All devices must have open authentication with the corporate network. Rights and activities permitted on the corporate network must be defined. Safeguards must be put in place for any personal device being compromised. The level of access of employees when connecting to the corporate network must be defined. All devices should be allowed to attach to the corporate network flawlessly.

Rights and activities permitted on the corporate network must be defined. Safeguards must be put in place for any personal device being compromised. The level of access of employees when connecting to the corporate network must be defined.

Match the security term to the appropriate description. (Not all options are used.) Risk Assets exploits threat mitigation Vulnerability

Risk: Not used Assets: the network equipment and company data exploits: a mech that takes advantage of vulnerabilities threat: a potential danger to the data mitigation: the countermeasure to reduce the severity Vulnerability: a weakness in the design

Which protocol or measure should be used to mitigate the vulnerability of using FTP to transfer documents between a teleworker and the company file server? SCP TFTP ACLs on the file server out-of-band communication channel

SCP

What are two hashing algorithms used with IPsec AH to guarantee authenticity? (Choose two.) SHA RSA DH MD5 AES

SHA MD5

What network security testing tool has the ability to provide details on the source of suspicious network activity? SIEM SuperScan Zenmap Tripwire

SIEM

A technician is to document the current configurations of all network devices in a college, including those in off-site buildings. Which protocol would be best to use to securely access the network devices? FTP HTTP SSH Telnet

SSH

What are two disadvantages of using an IDS? (Choose two.) The IDS does not stop malicious traffic. The IDS works offline using copies of network traffic. The IDS has no impact on traffic. The IDS analyzes actual forwarded packets. The IDS requires other devices to respond to attacks.

The IDS does not stop malicious traffic. The IDS requires other devices to respond to attacks.

Refer to the exhibit. A network administrator configures AAA authentication on R1. Which statement describes the effect of the keyword single-connection in the configuration? R1 will open a separate connection to the TACACS+ server for each user authentication session. The authentication performance is enhanced by keeping the connection to the TACACS+ server open. The TACACS+ server only accepts one successful try for a user to authenticate with it. R1 will open a separate connection to the TACACS server on a per source IP address basis for each authentication session.

The authentication performance is enhanced by keeping the connection to the TACACS+ server open.

What two assurances does digital signing provide about code that is downloaded from the Internet? (Choose two.) The code is authentic and is actually sourced by the publisher. The code contains no errors. The code has not been modified since it left the software publisher. The code contains no viruses. The code was encrypted with both a private and public key.

The code is authentic and is actually sourced by the publisher. The code has not been modified since it left the software publisher.

Refer to the exhibit. Which conclusion can be made from the show crypto map command output that is shown on R1? The crypto map has not yet been applied to an interface. The current peer IP address should be 172.30.2.1. There is a mismatch between the transform sets. The tunnel configuration was established and can be tested with extended pings.

The crypto map has not yet been applied to an interface.

Refer to the exhibit. Which statement is true about the effect of this Cisco IOS zone-based policy firewall configuration? The firewall will automatically drop all HTTP, HTTPS, and FTP traffic. The firewall will automatically allow HTTP, HTTPS, and FTP traffic from s0/0/0 to g0/0 and will track the connections. Tracking the connection allows only return traffic to be permitted through the firewall in the opposite direction. The firewall will automatically allow HTTP, HTTPS, and FTP traffic from s0/0/0 to g0/0, but will not track the state of connections. A corresponding policy must be applied to allow return traffic to be permitted through the firewall in the opposite direction. The firewall will automatically allow HTTP, HTTPS, and FTP traffic from g0/0 to s0/0/0 and will track the connections. Tracking the connection allows only return traffic to be permitted through the firewall in the opposite direction. return traffic to be permitted through the firewall in the opposite direction. The firewall will automatically allow HTTP, HTTPS, and FTP traffic from g0/0 to s0/0/0, but will not track the state of connections. A corresponding policy must be applied to allow return traffic to be permitted through the firewall in the opposite direction.

The firewall will automatically allow HTTP, HTTPS, and FTP traffic from g0/0 to s0/0/0 and will track the connections. Tracking the connection allows only return traffic to be permitted through the firewall in the opposite direction. return traffic to be permitted through the firewall in the opposite direction.

Which two statements describe the effect of the access control list wildcard mask 0.0.0.15? (Choose two.) The first 28 bits of a supplied IP address will be matched. The last four bits of a supplied IP address will be matched. The first 28 bits of a supplied IP address will be ignored. The last four bits of a supplied IP address will be ignored. The last five bits of a supplied IP address will be ignored. The first 32 bits of a supplied IP address will be matched.

The first 28 bits of a supplied IP address will be matched. The last four bits of a supplied IP address will be ignored.

How does a firewall handle traffic when it is originating from the private network and traveling to the DMZ network? The traffic is selectively denied based on service requirements. The traffic is usually permitted with little or no restrictions. The traffic is selectively permitted and inspected. The traffic is usually blocked.

The traffic is usually permitted with little or no restrictions.

Refer to the exhibit. Based on the security levels of the interfaces on ASA1, what traffic will be allowed on the interfaces? Traffic from the Internet and DMZ can access the LAN. Traffic from the Internet and LAN can access the DMZ. Traffic from the Internet can access both the DMZ and the LAN. Traffic from the LAN and DMZ can access the Internet.

Traffic from the LAN and DMZ can access the Internet.

What network testing tool would an administrator use to assess and validate system configurations against security policies and compliance standards? Tripwire L0phtcrack Nessus Metasploit

Tripwire

Users logged in to a superview can access all commands specified within the associated CLI views. True Positive True negative False positive false negative

True Positive: verified attack is generating an alarm True negative: normal user traffic isn't generating an alarm False positive: normal user traffic is generating an alarm false negative: attack traffic is not generating an alarm

How do modern cryptographers defend against brute-force attacks? Use statistical analysis to eliminate the most common encryption keys. Use a keyspace large enough that it takes too much money and too much time to conduct a successful attack. Use an algorithm that requires the attacker to have both ciphertext and plaintext to conduct a successful attack. Use frequency analysis to ensure that the most popular letters used in the language are not used in the cipher message.

Use a keyspace large enough that it takes too much money and too much time to conduct a successful attack.

A user complains about being locked out of a device after too many unsuccessful AAA login attempts. What could be used by the network administrator to provide a secure authentication access method without locking a user out of a device? Use the login delay command for authentication attempts. Use the login local command for authenticating user access. Use the aaa local authentication attempts max-fail global configuration mode command with a higher number of acceptable failures. Use the none keyword when configuring the authentication method list.

Use the login delay command for authentication attempts.

What are two drawbacks to using HIPS? (Choose two.) With HIPS, the success or failure of an attack cannot be readily determined. With HIPS, the network administrator must verify support for all the different operating systems used in the network. HIPS has difficulty constructing an accurate network picture or coordinating events that occur across the entire network. If the network traffic stream is encrypted, HIPS is unable to access unencrypted forms of the traffic. HIPS installations are vulnerable to fragmentation attacks or variable TTL attacks.

With HIPS, the network administrator must verify support for all the different operating systems used in the network. HIPS has difficulty constructing an accurate network picture or coordinating events that occur across the entire network.

Which protocol is an IETF standard that defines the PKI digital certificate format? SSL/TLS X.500 LDAP X.509

X.509

Refer to the exhibit. Which two ACLs, if applied to the G0/1 interface of R2, would permit only the two LAN networks attached to R1 to access the network that connects to R2 G0/1 interface? (Choose two.) Network Security 1.0 Final Exam Answers access-list 3 permit 192.168.10.128 0.0.0.63 access-list 1 permit 192.168.10.0 0.0.0.127 access-list 4 permit 192.168.10.0 0.0.0.255 access-list 2 permit host 192.168.10.9access-list 2 permit host 192.168.10.69 access-list 5 permit 192.168.10.0 0.0.0.63access-list 5 permit 192.168.10.64 0.0.0.63

access-list 1 permit 192.168.10.0 0.0.0.127 access-list 5 permit 192.168.10.0 0.0.0.63access-list 5 permit 192.168.10.64 0.0.0.63

What two features are added in SNMPv3 to address the weaknesses of previous versions of SNMP? (Choose two.) authentication authorization with community string priority bulk MIB objects retrieval ACL management filtering encryption

authentication encryption

Which three services are provided through digital signatures? (Choose three.) accounting authenticity compression nonrepudiation integrity encryption

authenticity nonrepudiation integrity

A company has a file server that shares a folder named Public. The network security policy specifies that the Public folder is assigned Read-Only rights to anyone who can log into the server while the Edit rights are assigned only to the network admin group. Which component is addressed in the AAA network service framework? automation accounting authentication authorization

authorization

In an AAA-enabled network, a user issues the configure terminal command from the privileged executive mode of operation. What AAA function is at work if this command is rejected? authorization authentication auditing accounting

authorization

The use of 3DES within the IPsec framework is an example of which of the five IPsec building blocks? authentication nonrepudiation integrity Diffie-Hellman confidentiality

confidentiality

Upon completion of a network security course, a student decides to pursue a career in cryptanalysis. What job would the student be doing as a cryptanalyst? cracking code without access to the shared secret key creating hashing codes to authenticate data making and breaking secret codes creating transposition and substitution ciphers

cracking code without access to the shared secret key

What are two security measures used to protect endpoints in the borderless network? (Choose two.) denylisting Snort IPS DLP DMZ rootkit

denylisting DLP

Which rule action will cause Snort IPS to block and log a packet? log drop alert Sdrop

drop

The security policy in a company specifies that employee workstations can initiate HTTP and HTTPS connections to outside websites and the return traffic is allowed. However, connections initiated from outside hosts are not allowed. Which parameter can be used in extended ACLs to meet this requirement? dscp precedence eq established

established

What are two security features commonly found in a WAN design? (Choose two.) WPA2 for data encryption of all data between sites firewalls protecting the main and remote sites outside perimeter security including continuous video surveillance port security on all user-facing ports VPNs used by mobile workers between sites Explanation: WANs span a wide area and commonl

firewalls protecting the main and remote sites VPNs used by mobile workers between sites

What is the function of the pass action on a Cisco IOS Zone-Based Policy Firewall? logging of rejected or dropped packets inspecting traffic between zones for traffic control tracking the state of connections between zones forwarding traffic from one zone to another

forwarding traffic from one zone to another

Match each SNMP operation to the corresponding description. (Not all options are used.) get-bulk-request get-next-request set-request get-response

get-bulk-request: retrieve multiple rows get-next-request: sequentially searching tables set-request: storing a value in a specific variable get-response: replying to get request and set requests

What function is performed by the class maps configuration object in the Cisco modular policy framework? identifying interesting traffic applying a policy to an interface applying a policy to interesting traffic restricting traffic through an interface

identifying interesting traffic

Refer to the exhibit. A network administrator has configured NAT on an ASA device. What type of NAT is used? inside NAT static NAT bidirectional NAT outside NAT

inside NAT

What type of network security test can detect and report changes made to network systems? vulnerability scanning network scanning integrity checking penetration testing

integrity checking

Which two options can limit the information discovered from port scanning? (Choose two.) intrusion prevention system firewall authentication passwords encryption

intrusion prevention system firewall

A network administrator is configuring DAI on a switch. Which command should be used on the uplink interface that connects to a router? ip arp inspection trust ip dhcp snooping ip arp inspection vlan spanning-tree portfast

ip arp inspection trust

Which command is used to activate an IPv6 ACL named ENG_ACL on an interface so that the router filters traffic prior to accessing the routing table? ipv6 access-class ENG_ACL in ipv6 traffic-filter ENG_ACL out ipv6 traffic-filter ENG_ACL in ipv6 access-class ENG_ACL out

ipv6 traffic-filter ENG_ACL in

Which privilege level has the most access to the Cisco IOS? level 0 level 15 level 7 level 16 level 1

level 15

Which action do IPsec peers take during the IKE Phase 2 exchange? exchange of DH keys negotiation of IPsec policy negotiation of IKE policy sets verification of peer identity

negotiation of IPsec policy

What is the next step in the establishment of an IPsec VPN after IKE Phase 1 is complete? negotiation of the ISAKMP policy negotiation of the IPsec SA policy detection of interesting traffic authentication of peers

negotiation of the IPsec SA policy

What two ICMPv6 message types must be permitted through IPv6 access control lists to allow resolution of Layer 3 addresses to Layer 2 MAC addresses? (Choose two.) neighbor solicitations echo requests neighbor advertisements echo replies router solicitations router advertisements

neighbor solicitations neighbor advertisements

The network administrator for an e-commerce website requires a service that prevents customers from claiming that legitimate orders are fake. What service provides this type of guarantee? confidentiality authentication integrity nonrepudiation

nonrepudiation

Which type of firewall is the most common and allows or blocks traffic based on Layer 3, Layer 4, and Layer 5 information? stateless firewall packet filtering firewall next generation firewall stateful firewall

packet filtering firewall

Which two types of attacks are examples of reconnaissance attacks? (Choose two.) brute force port scan ping sweep man-in-the-middle SYN flood

port scan ping sweep

When the Cisco NAC appliance evaluates an incoming connection from a remote device against the defined network policies, what feature is being used? posture assessment remediation of noncompliant systems authentication and authorization quarantining of noncompliant systems

posture assessment

Which type of firewall makes use of a server to connect to destination devices on behalf of clients? packet filtering firewall proxy firewall stateless firewall stateful firewall

proxy firewall

Refer to the exhibit. What will be displayed in the output of the show running-config object command after the exhibited configuration commands are entered on an ASA 5506-X? host 192.168.1.4 range 192.168.1.10 192.168.1.20 host 192.168.1.3, host 192.168.1.4, and range 192.168.1.10 192.168.1.20 host 192.168.1.3 host 192.168.1.3 and host 192.168.1.4 host 192.168.1.4 and range 192.168.1.10 192.168.1.20

range 192.168.1.10 192.168.1.20

Which type of packet is unable to be filtered by an outbound ACL? multicast packet ICMP packet broadcast packet router-generated packet

router-generated packet

What is the main factor that ensures the security of encryption of modern algorithms? complexity of the hashing algorithm the use of 3DES over AES secrecy of the keys secrecy of the algorithm

secrecy of the keys

What are the three core components of the Cisco Secure Data Center solution? (Choose three.) mesh network secure segmentation visibility threat defense servers infrastructure

secure segmentation visibility threat defense

Which zone-based policy firewall zone is system-defined and applies to traffic destined for the router or originating from the router? local zone inside zone self zone system zone outside zone

self zone

A company is concerned with leaked and stolen corporate data on hard copies. Which data loss mitigation technique could help with this situation? strong PC security settings strong passwords shredding encryption

shredding

Which two technologies provide enterprise-managed VPN solutions? (Choose two.) Layer 3 MPLS VPN Frame Relay site-to-site VPN Layer 2 MPLS VPN remote access VPN

site-to-site VPN remote access VPN

A network technician has been asked to design a virtual private network between two branch routers. Which type of cryptographic key should be used in this scenario? hash key symmetric key asymmetric key digital signature

symmetric key

What are the three components of an STP bridge ID? (Choose three.) the date and time that the switch was brought online the hostname of the switch the MAC address of the switch the extended system ID the bridge priority value the IP address of the management VLAN

the MAC address of the switch the extended system ID the bridge priority value

A client connects to a Web server. Which component of this HTTP connection is not examined by a stateful firewall? the source IP address of the client traffic the destination port number of the client traffic the actual contents of the HTTP connection the source port number of the client traffic

the actual contents of the HTTP connection

What is the purpose of the webtype ACLs in an ASA? to inspect outbound traffic headed towards certain web sites to restrict traffic that is destined to an ASDM to monitor return traffic that is in response to web server requests that are initiated from the inside interface to filter traffic for clientless SSL VPN users

to filter traffic for clientless SSL VPN users

What port state is used by 802.1X if a workstation fails authorization? disabled down unauthorized blocking

unauthorized

Which attack is defined as an attempt to exploit software vulnerabilities that are unknown or undisclosed by the vendor? zero-day Trojan horse brute-force man-in-the-middle

zero-day

What is the main difference between the implementation of IDS and IPS devices? An IDS can negatively impact the packet flow, whereas an IPS can not. An IDS needs to be deployed together with a firewall device, whereas an IPS can replace a firewall. An IDS would allow malicious traffic to pass before it is addressed, whereas an IPS stops it immediately. An IDS uses signature-based technology to detect malicious packets, whereas an IPS uses profile-based technology.

An IDS would allow malicious traffic to pass before it is addressed, whereas an IPS stops it immediately.

What are two benefits of using a ZPF rather than a Classic Firewall? (Choose two.) ZPF allows interfaces to be placed into zones for IP inspection. The ZPF is not dependent on ACLs. Multiple inspection actions are used with ZPF. ZPF policies are easy to read and troubleshoot. With ZPF, the router will allow packets unless they are explicitly blocked.

The ZPF is not dependent on ACLs. ZPF policies are easy to read and troubleshoot.

Which two statements describe the characteristics of symmetric algorithms? (Choose two.) They are commonly used with VPN traffic. They use a pair of a public key and a private key. They are commonly implemented in the SSL and SSH protocols. They provide confidentiality, integrity, and availability. They are referred to as a pre-shared key or secret key.

They are commonly used with VPN traffic. They are referred to as a pre-shared key or secret key.

How does a firewall handle traffic when it is originating from the public network and traveling to the DMZ network? Traffic that is originating from the public network is inspected and selectively permitted when traveling to the DMZ network. Traffic that is originating from the public network is usually permitted with little or no restriction when traveling to the DMZ network. Traffic that is originating from the public network is usually forwarded without inspection when traveling to the DMZ network. Traffic that is originating from the public network is usually blocked when traveling to the DMZ network.

Traffic that is originating from the public network is inspected and selectively permitted when traveling to the DMZ network.

What command is used on a switch to set the port access entity type so the interface acts only as an authenticator and will not respond to any messages meant for a supplicant? dot1x pae authenticator authentication port-control auto aaa authentication dot1x default group radius dot1x system-auth-control

dot1x pae authenticator

What would be the primary reason an attacker would launch a MAC address overflow attack? so that the switch stops forwarding traffic so that legitimate hosts cannot obtain a MAC address so that the attacker can see frames that are destined for other hosts so that the attacker can execute arbitrary code on the switch

so that the attacker can see frames that are destined for other hosts

Which type of firewall is supported by most routers and is the easiest to implement? next generation firewall stateless firewall stateful firewall proxy firewall

stateless firewall

What are two reasons to enable OSPF routing protocol authentication on a network? (Choose two.) to prevent data traffic from being redirected and then discarded to ensure faster network convergence to provide data security through encryption to prevent redirection of data traffic to an insecure link to ensure more efficient routing

to prevent data traffic from being redirected and then discarded to prevent redirection of data traffic to an insecure link

Which threat protection capability is provided by Cisco ESA? web filtering cloud access security spam protection Layer 4 traffic monitoring

spam protection

ACLs are used primarily to filter traffic. What are two additional uses of ACLs? (Choose two.): specifying internal hosts for NAT identifying traffic for QoS specifying source addresses for authentication reorganizing traffic into VLANs filtering VTP packets

specifying internal hosts for NAT identifying traffic for QoS

What function is provided by Snort as part of the Security Onion? to generate network intrusion alerts by the use of rules and signatures to normalize logs from various NSM data logs so they can be represented, stored, and accessed through a common schema to display full-packet captures for analysis to view pcap transcripts generated by intrusion detection tools

to generate network intrusion alerts by the use of rules and signatures

Place the steps for configuring zone-based policy (ZPF) firewalls in order from first to last. (Not all options are used.) 1st 2nd 3rd 4th 5th

1st: Create zones 2nd: define traffic classes 3rd: create policies 4th: Apply policies 5th: Assign Zones to interfaces

What is a limitation to using OOB management on a large enterprise network? Production traffic shares the network with management traffic. Terminal servers can have direct console connections to user devices needing management. OOB management requires the creation of VPNs. All devices appear to be attached to a single management network.

All devices appear to be attached to a single management network.

Refer to the exhibit. Port security has been configured on the Fa 0/12 interface of switch S1. What action will occur when PC1 is attached to switch S1 with the applied configuration? Frames from PC1 will be forwarded since the switchport port-security violation command is missing. Frames from PC1 will be forwarded to its destination, and a log entry will be created. Frames from PC1 will be forwarded to its destination, but a log entry will not be created. Frames from PC1 will cause the interface to shut down immediately, and a log entry will be made. Frames from PC1 will be dropped, and there will be no log of the violation. Frames from PC1 will be dropped, and a log message will be created.

Frames from PC1 will cause the interface to shut down immediately, and a log entry will be made.

After issuing a show run command, an analyst notices the following command: crypto ipsec transform-set MYSET esp-aes 256 esp-md5-hmac What is the purpose of this command? It establishes the set of encryption and hashing algorithms used to secure the data sent through an IPsec tunnel. It defines the default ISAKMP policy list used to establish the IKE Phase 1 tunnel. It establishes the criteria to force the IKE Phase 1 negotiations to begin. It indicates that IKE will be used to establish the IPsec tunnel for protecting the traffic.

It establishes the set of encryption and hashing algorithms used to secure the data sent through an IPsec tunnel.

Which network monitoring technology uses VLANs to monitor traffic on remote switches? IPS IDS TAP RSPAN

RSPAN

Match the network monitoring technology with the description RSPAN IDS IPS TAP

RSPAN: Uses VLANs to monitor traffic IDS: passively monitors traffic IPS: can perform a traffic drop TAP: a passive traffic splitting device

Refer to the exhibit. A corporate network is using NTP to synchronize the time across devices. What can be determined from the displayed output? Router03 is a stratum 2 device that can provide NTP service to other devices in the network. The time on Router03 may not be reliable because it is offset by more than 7 seconds to the time server. The interface on Router03 that connects to the time sever has the IPv4 address 209.165.200.225. Router03 time is synchronized to a stratum 2 time server.

Router03 is a stratum 2 device that can provide NTP service to other devices in the network.

What are the three signature levels provided by Snort IPS on the 4000 Series ISR? (Choose three.) security drop reject connectivity inspect balanced

Security Connectivity balanced

Refer to the exhibit. According to the command output, which three statements are true about the DHCP options entered on the ASA? (Choose three.) The dhcpd address [ start-of-pool ]-[ end-of-pool ] inside command was issued to enable the DHCP server. The dhcpd address [ start-of-pool ]-[ end-of-pool ] inside command was issued to enable the DHCP client. The dhcpd enable inside command was issued to enable the DHCP server. The dhcpd auto-config outside command was issued to enable the DHCP client. The dhcpd auto-config outside command was issued to enable the DHCP server. The dhcpd enable inside command was issued to enable the DHCP client.

The dhcpd address [ start-of-pool ]-[ end-of-pool ] inside command was issued to enable the DHCP server. The dhcpd enable inside command was issued to enable the DHCP server. The dhcpd auto-config outside command was issued to enable the DHCP client.

Which statement describes a difference between the Cisco ASA IOS CLI feature and the router IOS CLI feature? ASA uses the ? command whereas a router uses the help command to receive help on a brief description and the syntax of a command. To use a show command in a general configuration mode, ASA can use the command directly whereas a router will need to enter the do command before issuing the show command. To complete a partially typed command, ASA uses the Ctrl+Tab key combination whereas a router uses the Tab key. To indicate the CLI EXEC mode, ASA uses the % symbol whereas a router uses the # symbol.

To use a show command in a general configuration mode, ASA can use the command directly whereas a router will need to enter the do command before issuing the show command.

What is a characteristic of a DMZ zone? Traffic originating from the inside network going to the DMZ network is not permitted. Traffic originating from the outside network going to the DMZ network is selectively permitted. Traffic originating from the DMZ network going to the inside network is permitted. Traffic originating from the inside network going to the DMZ network is selectively permitted.

Traffic originating from the outside network going to the DMZ network is selectively permitted.

Which method is used to identify interesting traffic needed to create an IKE phase 1 tunnel? transform sets a permit access list entry hashing algorithms a security association

a permit access list entry

What are three attributes of IPS signatures? (Choose three.) action length trigger type depth function

action trigger type

Which three functions are provided by the syslog logging service? (Choose three.) gathering logging information authenticating and encrypting data sent over the network retaining captured messages on the router when a router is rebooted specifying where captured information is stored distinguishing between information to be captured and information to be ignored setting the size of the logging buffer

gathering logging information specifying where captured information is stored distinguishing between information to be captured and information to be ignored

Which two types of hackers are typically classified as grey hat hackers? (Choose two.) hacktivists cyber criminals vulnerability brokers script kiddies state-sponsored hackers

hacktivists vulnerability brokers

What ports can receive forwarded traffic from an isolated port that is part of a PVLAN? other isolated ports and community ports only promiscuous ports all other ports within the same community only isolated ports all other ports within the same community only isolated ports

only promiscuous ports

Which two features are included by both TACACS+ and RADIUS protocols? (Choose two.) SIP support password encryption 802.1X support separate authentication and authorization processes utilization of transport layer protocols

password encryption utilization of transport layer protocols

Refer to the exhibit. A network administrator is configuring AAA implementation on an ASA device. What does the option link3 indicate? the network name where the AAA server resides the specific AAA server name the sequence of servers in the AAA server group the interface name

the interface name

When the CLI is used to configure an ISR for a site-to-site VPN connection, which two items must be specified to enable a crypto map policy? (Choose two.) the hash the peer encryption the ISAKMP policy a valid access list IP addresses on all active interfaces the IKE Phase 1 policy

the peer a valid access list

What are three characteristics of the RADIUS protocol? (Choose three.) utilizes TCP port 49 uses UDP ports for authentication and accounting supports 802.1X and SIP separates the authentication and authorization processes encrypts the entire body of the packet is an open RFC standard AAA protocol

uses UDP ports for authentication and accounting supports 802.1X and SIP is an open RFC standard AAA protocol

Refer to the exhibit. The ip verify source command is applied on untrusted interfaces. Which type of attack is mitigated by using this configuration? DHCP spoofing DHCP starvation STP manipulation MAC and IP address spoofing

MAC and IP address spoofing

Consider the access list command applied outbound on a router serial interface. access-list 100 deny icmp 192.168.10.0 0.0.0.255 any echo reply What is the effect of applying this access list command? The only traffic denied is echo-replies sourced from the 192.168.10.0/24 network. All other traffic is allowed. The only traffic denied is ICMP-based traffic. All other traffic is allowed. No traffic will be allowed outbound on the serial interface. Users on the 192.168.10.0/24 network are not allowed to transmit traffic to any other destination.

No traffic will be allowed outbound on the serial interface.

An administrator discovers that a user is accessing a newly established website that may be detrimental to company security. What action should the administrator take first in terms of the security policy? Ask the user to stop immediately and inform the user that this constitutes grounds for dismissal. Create a firewall rule blocking the respective website. Revise the AUP immediately and get all users to sign the updated AUP. Immediately suspend the network privileges of the user.

Revise the AUP immediately and get all users to sign the updated AUP.

Match the type of ASA ACLs to the description. (Not all options are used.) Standard Access List Extended Access List WebType Access list EtherType Access List

Standard ACL: Identify Destination IP only Extended ACL: Used to specify source and destination, Protocol, ports, and ICMP type WebType ACL: Support filtering EtherType ACL: Used only if the security device is running

Refer to the exhibit. A network administrator configures a named ACL on the router. Why is there no output displayed when the show command is issued? The ACL is not activated. The ACL name is case sensitive. The ACL has not been applied to an interface. No packets have matched the ACL statements yet.

The ACL name is case sensitive.

Refer to the exhibit. Which two conclusions can be drawn from the syslog message that was generated by the router? (Choose two.) This message resulted from an unusual error requiring reconfiguration of the interface. This message indicates that service timestamps have been configured. This message indicates that the interface changed state five times. This message is a level 5 notification message. This message indicates that the interface should be replaced.

This message indicates that service timestamps have been configured. This message is a level 5 notification message.

What are three characteristics of ASA transparent mode? (Choose three.) This mode does not support VPNs, QoS, or DHCP Relay. It is the traditional firewall deployment mode. This mode is referred to as a "bump in the wire." NAT can be implemented between connected networks. In this mode the ASA is invisible to an attacker. The interfaces of the ASA separate Layer 3 networks and require IP addresses in different

This mode does not support VPNs, QoS, or DHCP Relay. This mode is referred to as a "bump in the wire." In this mode the ASA is invisible to an attacker

A web server administrator is configuring access settings to require users to authenticate first before accessing certain web pages. Which requirement of information security is addressed through the configuration? availability integrity scalability confidentiality

confidentiality

Which two tasks are associated with router hardening? (Choose two.) placing the router in a secure room disabling unused ports and interfaces installing the maximum amount of memory possible securing administrative access using uninterruptible power supplies

disabling unused ports and interfaces securing administrative access

What are two examples of DoS attacks? (Choose two.) port scanning SQL injection ping of death phishing buffer overflow

ping of death buffer overflow

What security countermeasure is effective for preventing CAM table overflow attacks? DHCP snooping Dynamic ARP Inspection IP source guard port security

port security

Which command raises the privilege level of the ping command to 7? user exec ping level 7 authorization exec ping level 7 accounting exec level 7 ping privilege exec level 7 ping

privilege exec level 7 ping