Which command verifies phase 1 of an IPsec VPN on a Cisco router
Answer
show crypto ipsec sa
show crypto map
show crypto isakmp sa
show crypto engine connection active
Question 2
Question
What is a benefit of a web application firewall?
Answer
It blocks known vulnerabilities without patching applications
It supports all networking protocols.
It accelerates web traffic
It simplifies troubleshooting
Question 3
Question
Refer to the following output:
dst src state conn-id slot
10.10.10.2 10.1.1.5 QM_IDLE 1 0
While troubleshooting site-to-site VPN, you issued the show crypto isakmp sa command. What does the given output show?
Answer
IPsec Phase 1 is down due to a QM_IDLE state
IPsec Phase 1 is established between 10.10.10.2 and 10.1.1.5
IPsec Phase 2 is down due to a QM_IDLE state
IPsec Phase 2 is established between 10.10.10.2 and 10.1.1.5
Question 4
Question
Which statement about PVLAN isolated port configured on a switch is true?
Answer
The isolated port can communicate only with community ports
The isolated port can communicate only with other isolated ports
The isolated port can communicate with other isolated ports and the promiscuous port
The isolated port can communicate only with the promiscuous port
Question 5
Question
What can the SMTP preprocessor in FirePOWER normalize?
Answer
It can lookup the email sender
It can extract and decode email attachments in client to server traffic
It compares known threats to the email sender
It uses Traffic Anomaly Detector
It can forward the SMTP traffic to an email filter server
Question 6
Question
When a switch has multiple links connected to a downstream switch, what is the first step that STP takes to prevent loops?
Answer
STP selects the designated port
STP elects the root bridge
STP selects the root port
STP blocks one of the ports
Question 7
Question
Which statement correctly describes the function of a private VLAN?
Answer
A private VLAN enables the creation of multiple VLANs using one broadcast domain.
A private VLAN partitions the Layer 3 broadcast domain of a VLAN into subdomains.
A private VLAN combines the Layer 2 broadcast domains of many VLANs into one major broadcast domain
A private VLAN partitions the Layer 2 broadcast domain of a VLAN into subdomains
Question 8
Question
What is the purpose of a honeypot IPS?
Answer
To create customized policies
To detect unknown attacks
To normalize streams
To collect information about attacks
Question 9
Question
Which protocol provides security to Secure Copy?
Answer
ESP
HTTPS
SSH
IPsec
Question 10
Question
Which address block is reserved for locally assigned unique local addresses?
Answer
FD00::/8
2002::/16
FB00::/8
2001::32
Question 11
Question
Which tool can an attacker use to attempt a DDoS attack?
Answer
Botnet
Trojan horse
Virus
Adware
Question 12
Question
How does a device on a network using ISE receive its digital certificate during the new device registration process?
Answer
ISE acts as a SCEP proxy to enable the device to receive a certificate from a central CA server
ISE issues a certificate from its internal CA server
ISE issues a pre-defined certificate from a local database
The device requests a new certificate directly from a central CA
Question 13
Question
Refer to the following output for R1 and R2:
R1
interface GigabitEthernet 0/0
ip address 10.20.20.4 255.255.255.0
crypto isakmp policy 1
authenticaiton pre-share
lifetime 84600
crypto isakmp key test67890 address 10.20.20.4
R2
interface GigabitEthernet 0/0
ip address 10.20.20.4 255.255.255.0
crypto isakmp policy 10
authentication pre-share
lifetime 84600
crypto isakmp key test12345 address 10.30.30.5
You have configured R1 and R2 as shown but the routers are unable to establish a site-to-site VPN tunnel. What action can you take to correct the problem?
Answer
Edit the crypto keys on R1 and R2 to match
Edit the ISAKMP policy sequence numbers on R1 and R2 to match
Set a valid value for the crypto key lifetime on each router
Edit the crypto isakmp key command on each router with the address value of it's own interface
Question 14
Question
Refer to the following output:
current_peer: 10.1.1.5
PERMIT, flags={origin_is_acl,)
#pkts encaps: 1205, #pkts encrypt: 1205, #pkts digest 1205
#pkts decaps: 1168, #pkts decrypt 1168, #pkts verify 1168
#pkts compressed: 0, #pkts decompressed: 0
#pkts not complressed: 0, #pkts compr. failed: 0
#pkts decompress failed: 0, #send errors 0, #recv errors 0
local crypto endpt.: 10.1.1.1, remote crypto endpt.: 10.1.1.5
While troubleshooting site-to-site VPN, you issued the show crypto ipsec sa command. What does the given output show?
Answer
IPsec Phase 2 is established between 10.1.1.1 and 10.1.1.5
ISAKMP security associations are established between 10.1.1.5 and 10.1.1.1
IKE version 2 security associations are established between 10.1.1.1 and 10.1.1.5
IPsec Phase 2 is down due to a mismatch between encrypted and descrypted packets
Question 15
Question
In a security context, which action can you take to address compliance?
Answer
Implement rules to prevent a vulnerability
Correct or counteract a vulnerability
Reduce the severity of a vulnerability
Follow directions from the security appliance manufacturer to remediate a vulnerability
Question 16
Question
Which IPS mode provides the maximum number of actions?
Answer
Inline
Promiscuous
Span
Failover
Bypass
Question 17
Question
By which kind of threat the victim is tricked into entering username and password information at a disguised website?
Answer
Spoofing
Malware
Spam
Phishing
Question 18
Question
Which technology can be used to rate data fidelity and provide and authenticated hash for data?
Answer
File reputation
File analysis
Signature updates
Network blocking
Question 19
Question
In which type of attack does an attacker send email messages that ask the recipient to click a link such as https://www.cisco.net.cc/securelogon?
Answer
Phishing
Pharming
Solicitation
Secure transaction
Question 20
Question
What configuration allows AnyConnect to automatically establish a VPN session when a user logs into the computer?
Answer
Always-on
Proxy
Transparent Mode
Trusted Network Detection
Question 21
Question
Which source port does IKE use when NAT has been detected between two VPN gateways?
Answer
TCP 4500
TCP 500
UDP 4500
UDP 500
Question 22
Question
Refer to the following commands:
Username Engineer privilege 9 password 0 configure
Username Monitor privilege 8 password 0 watcher
Username HelpDesk privilege 6 password help
Privilege exec level 6 show running
Privilege exec level 7 show start-up
Privilege exec level 9 configure terminal
Privilege exec level 10 interface
Which line in this configuration prevents the HelpDesk user from modifying the interface configuration
Answer
Privilege exec level 9 configure terminal
Privilege exec level 10 interface
Username HelpDesk privilege 6 password help
Privilege exec level 7 show start-up
Question 23
Question
Which statement about extended access lists is true?
Answer
Extended access lists perform filtering that is based on source and destination and are most effective when applied closest to the destination.
Extended access lists perform filtering that is based on source and destination and are most effective when applied to the source.
Extended access lists perform filtering that is based on destination and are most effective when applied to the source.
Extended access lists perform filtering that is based on source and are most effective when applied to the destination,
Question 24
Question
What is the Cisco preferred countermeasure to mitigate CAM overflows?
Answer
Port security
Dynamic port security
IP source guard
Root guard
Question 25
Question
A specific URL has been identified as containing malware. What action can you take to block users from accidentally visiting the URL and becoming infected with malware?
Answer
Enable URL filtering on the perimeter router and add the URLs you want to block to the router's local URL list.
Enable URL filtering on the perimeter firewall and add the URLs you want to allow to the router's local URL list.
Enable URL filtering on the perimeter router and add the URLs you want to allow to the firewall's local URL list
Create a blacklist that contains the URL you want to block and activate the blacklist on the perimeter router.
Create a whitelist that contains the URLs you want to allow and activate the whitelist on the perimeter router.
Question 26
Question
Which feature filters CoPP packets?
Answer
Access control lists
Class maps
Policy maps
Route maps
Question 27
Question
Refer to the following output:
dst src state conn-id slot
10.10.10.2 10.1.1.5 MM_NO_STATE 1 0
While troubleshooting site-to-site VPN, you issued the show crypto isakmp sa command. What does the given output show?
Answer
IKE Phase 1 main mode was created on 10.1.1.5, but failed to negotiate with 10.10.10.2
IKE Phase 1 main mode has successfully negotiated between 10.1.1.5 and 10.10.10.2
IKE Phase 1 aggressive mode was created on 10.1.1.5, but it failed to negotiate with 10.10.10.2
IKE Phase 1 aggressive has successfully negotiated between 10.1.1.5 and 10.10.10.2
Question 28
Question
Refer to the following output:
R1#show snmp
0 SNMP packets input
6 Bad SNMP version errors
3 Unknown community name
9 Illegal operation for community name supplied
4 Encoding errors
2 Number of requested variables
0 Number of altered variables
98 Get-request PDUs
12 Get-next PDUs
2 Set-request PDUs
0 Input queue packet drops (Maximum queue size 1000)
0 SNMP packets output
0 Too big errors (Maximum packet size 1500)
0 No such name errors
0 Bad values errors
0 General errors
31 Response PDUs
1 Trap PDUs
How many times was a read-only string used to attempt a write operation?
Answer
9
6
4
3
2
0
Question 29
Question
After reloading a router, you issue the dir command to verify the installation and observe that the image file appears to be missing. For what reason could the image file fail to appear in the dir output?
Answer
The secure boot-image command is configured
The secure boot-comfit command is configured
The confreg 0x24 command is configured
The reload command was issued from ROMMON
Question 30
Question
When a company puts a security policy in place, what is the effect on the company's business?
Answer
Minimizing risk
Minimizing total cost of ownership
Minimizing liability
Maximizing compliance
Question 31
Question
What security feature allows a private IP address to access the internet by translating it to a public address?
Answer
NAT
Hairpinning
Trusted Network Detection
Certification Authority
Question 32
Question
Which type of mirroring does SPAN technology perform?
Answer
Remote mirroring over Layer 2
Remote mirroring over Layer 3
Local mirroring over Layer 2
Local mirroring over Layer 3
Question 33
Question
If you change the native VLAN on the trunk port to an unused VLAN, what happens if an attacker attempts a double-tagging attack?
Answer
The trunk port would go into an error-disabled state
A VLAN hopping attack would be successful
A VLAN hopping attack would be prevented
The attacker VLAN will be pruned
Question 34
Question
What is the most common Cisco Discovery Protocol version 1 attack?
Answer
Denial of Service
MAC-Address spoofing
CAM-table overflow
VLAN hopping
Question 35
Question
Refer to the following commands:
Username HelpDesk privilege 9 password 0 helpdesk
Username Monitor privilege 8 password 0 watcher
Username Admin password checkme
Username Admin privilege 6 autocommand show running
Privilege exec level 6 configure terminal
The Admin user is unable to enter configuration mode on a device with the given configuration. What change can you make to the configuration to correct the problem?
Answer
Remove the autocommand keyword and arguments from the username admin privilege line.
Change the Privilege exec level value to 15
Remove the two Username Admin lines
Remove the Privilege exec line
Question 36
Question
On which Cisco Configuration Professional screen do you enable AAA?
Answer
AAA Summary
AAA Servers and Groups
Authentication Policies
Authorization Policies
Question 37
Question
Which type of IPS can identify worms that are propagating in a network?
Answer
Policy-based IPS
Anomaly-based IPS
Reputation-based IPS
Signature-based IPS
Question 38
Question
In the following command:
router OSPF 200
What does the value 200 stand for?
Answer
Process ID
Area ID
Administrative Distance Value
ABR ID
Question 39
Question
Which statement about the communication between interfaces of the same security level is true?
Answer
Interfaces on the same security level require additional configuration to permit interface communication.
Configuring interfaces on the same security level can use asymmetric routing.
All traffic is allowed by default between interfaces on the same security level.
You can configure only one interface on an individual security level.
Question 40
Question
Which wildcard mask is associated with a subnet mask of /27
Answer
0.0.0.31
0.0.0.27
0.0.0.224
0.0.0.255
Question 41
Question
Which option describes information that must be considered when you apply an access list to a physical interface?
Answer
Protocol used for filtering
Direction of the access class
Direction of the access group
Direction of the access list
Question 42
Question
What is the purpose of the integrity component of the CIA triad?
Answer
To ensure that only authorized parties can modify data
To determine whether data is relevant
To create a process for accessing data
To ensure that only authorized parties can view the data
Question 43
Question
How does PEAP protect the EAP exchange?
Answer
It encrypts the exchange using the server certificate
It encrypts the exchange using the client certificate
It validated the server-supplied certificate, and then encrypts the exchange using the client side certificate.
It validates the client-supplied certificate, and then encrypts the exchange using the server certificate.
Question 44
Question
If the native VLAN on a trunk is different on each end of the link, what is a potential consequence?
Answer
The interface on both switches may shut down
STP loops may occur
The switch with the higher native VLAN may shut down
The switch with the lower native VLAN may shut down
Question 45
Question
How does a zone-based firewall implementation handle traffic between interfaces in the same zone?
Answer
Traffic between two interfaces in the same zone is allowed by default.
Traffic between interfaces in the same zone is blocked unless you configure the same security permit command,
Traffic between interfaces in the same zone is always blocked.
Traffic between interfaces in the same zone is blocked unless you apply a service policy to the zone pair.
Question 46
Question
Refer to the following commands:
tacacs server tacacs1
address ipv4 1.1.1.1
timeout 20
single-connection
tacacs server tacacs2
address ipv4 2.2.2.2
timeout 20
single-connection
tacacs server tacacs3
address ipv4 3.3.3.3
timeout 20
single-connection
Which statement about the given configuration is true?
Answer
The single-connection command causes the device to establish one connection for all TACACS translations.
The single-connection command causes the device to process one TACACS request and then move to the next server.
The timeout command causes the device to move to the next server after 20 seconds of TACACS inactivity
The router communicates with the NAS on the default port, TCP 1645
Question 47
Question
In which type of attack does the attacker attempt to overload the CAM table on a switch so that the switch acts as a hub?
Answer
MAC spoofing
Gratuitous ARP
MAC flooding
DoS
Question 48
Question
Which syslog severity level is level number 7?
Answer
Warning
Informational
Notification
Debugging
Question 49
Question
Refer to the following output:
UDP outside 205.165.201.225:53 inside 10.0.0.10:52464, idle 0:00:01, bytes 266, flags -
What type of firewall would use the given configuration line?
Answer
A stateful firewall
A personal firewall
A proxy firewall
An application firewall
A stateless firewall
Question 50
Question
Which feature of the Cisco Email Security Appliance can mitigate the impact of snowshoe spam and sophisticated phishing attacks?
Answer
Contextual analysis
Holistic understanding of threats
Graymail management and filtering
Signature-based IPS
Question 51
Question
Which Sourcefire logging action should you choose to record the most detail about a connection?
Answer
Enable logging at the end of the session
Enable logging at the beginning of the session
Enable alerts via SNMP to log events off-box
Enable eStreamer to log events off-box
Question 52
Question
When is the best time to perform an anti-virus signature update?
Answer
Every time a new update is available
When the local scanner has detected a new virus
When a new virus is discovered in the wild
When the system detects a browser hook
Question 53
Question
Which command initializes a lawful intercept view?