Cisco Module 16-17 Exam
Which network service automatically assigns IP addresses to devices on the network? a) DHCP b) Telnet c) DNS d) traceroute
a) DHCP
What is considered the most effective way to mitigate a worm attack? a) Download security updates from the operating system vendor and patch all vulnerable systems b) Change system passwords every 30 days c) Ensure that AAA is configured in the network d) Ensure that all systems have the most current virus definitions.
a) Download security updates from the operating system vendor and patch all vulnerable systems
What is the role of an IPS? a) detecting and blocking of attacks in real time b) connecting global threat information to Cisco network security devices c) authenticating and validating traffic d) filtering of nefarious websites
a) detecting and blocking of attacks in real time
What is the advantage of using SSH over Telnet? a) SSH is easier to use. b) SSH operates faster than Telnet. c) SSH provides secure communications to access hosts. d) SSH supports authentication for a connection request.
c) SSH provides secure communications to access hosts.
Which type of attack involves an adversary attempting to gather information about a network to identify vulnerabilities? a) reconnaissance b) DoS c) dictionary d) man-in-the-middle
a) reconnaissance
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. a) HTTP b) FTP c) Telnet d) SSH
d) SSH
An administrator decides to use "pR3s!d7n&0" as the password on a newly installed router. Which statement applies to the password choice? a) It is strong because it uses a minimum of 10 numbers, letters and special characters. b) It is weak since it is a word that is easily found in the dictionary. c) It is strong because it uses a passphrase. d) It is strong because it contains 10 numbers and special characters.
a) It is strong because it uses a minimum of 10 numbers, letters and special characters.
An employee complains that a Windows PC cannot connect to the Internet. A network technician issues the ipconfig command on the PC and is shown an IP address of 169.254.10.3. Which two conclusions can be drawn? (Choose two.) a) The PC cannot contact a DHCP server. b) The DNS server address is misconfigured. c) The default gateway address is not configured. d) The PC is configured to obtain an IP address automatically. e) The enterprise network is misconfigured for dynamic routing.
a) The PC cannot contact a DHCP server. d) The PC is configured to obtain an IP address automatically.
Which statement describes the ping and tracert commands? a) Tracert shows each hop, while ping shows a destination reply only b) Both ping and tracert can show results in a graphical display c) Tracert uses IP addresses; ping does not d) Ping shows whether the transmission is successful; tracert does not
a) Tracert shows each hop, while ping shows a destination reply only
Which example of malicious code would be classified as a Trojan horse? a) malware that was written to look like a video game b) malware that requires manual user intervention to spread between systems c) malware that attaches itself to a legitimate program and spreads to other programs when launched d) malware that can automatically spread from one system to another by exploiting a vulnerability in the target
a) malware that was written to look like a video game
Which firewall feature is used to ensure that packets coming into a network are legitimate responses to requests initiated from internal hosts? a) stateful packet inspection b) URL filtering c) application filtering d) packet filtering
a) stateful packet inspection
A network administrator is upgrading a small business network to give high priority to real-time applications traffic. What two types of network services is the network administrator trying to accommodate? (Choose two.) a) voice b) video c) instant messaging d) FTP e) SNMP
a) voice b) video
Which statement is true about Cisco IOS ping indicators? a) '!' indicates that the ping was unsuccessful and that the device may have issues finding a DNS server. b) 'U' may indicate that a router along the path did not contain a route to the destination address and that the ping was unsuccessful. c) '.' indicates that the ping was successful but the response time was longer than normal. d) A combination of '.' and '!' indicates that a router along the path did not have a route to the destination address and responded with an ICMP unreachable message.
b) 'U' may indicate that a router along the path did not contain a route to the destination address and that the ping was unsuccessful.
When configuring SSH on a router to implement secure network management, a network engineer has issued the login local and transport input ssh line vty commands. What three additional configuration actions have to be performed to complete the SSH configuration? (Choose three.) a) Set the user privilege levels b) Generate the asymmetric RSA keys c) Configure the correct IP domain name d) Configure role-based CLI access e) Create a valid local username and password database f) Manually enable SSH after the RSA keys are generated
b) Generate the asymmetric RSA keys c) Configure the correct IP domain name e) Create a valid local username and password database
Which method is used to send a ping message specifying the source address for the ping? a) Issue the ping command from within interface configuration mode. b) Issue the ping command without specifying a destination IP address. c) Issue the ping command without extended commands. d) Issue the ping command after shutting down un-needed interfaces.
b) Issue the ping command without specifying a destination IP address.
On which two interfaces or ports can security be improved by configuring executive timeouts? (Choose two.) a) Fast Ethernet interfaces b) console ports c) serial interfaces d) vty ports e) loopback interfaces
b) console ports d) vty ports
What information about a Cisco router can be verified using the show version command? a) the routing protocol version that is enabled b) the value of the configuration register c) the operational status of serial interfaces d) the administrative distance used to reach networks
b) the value of the configuration register
Open the PT Activity. Perform the tasks in the activity instructions and the answer the question. Which command has to be configured on the router to complete the SSH configuration? a) service password-encryption b) transport input ssh c) enable secret class d) ip domain-name cisco.com
b) transport input ssh
By following a structured troubleshooting approach, a network administrator identified a network issue after a conversation with the user. What is the next step that the administrator should take? a) Verify full system functionality. b) Test the theory to determine cause. c) Establish a theory of probable causes. d) Establish a plan of action to resolve the issue.
c) Establish a theory of probable causes.
A network technician issues the C:\> tracert -6 www.cisco.com command on a Windows PC. What is the purpose of the -6 command option? a) It sends 6 probes within each TTL time period b) It sets a 6 milliseconds timeout for each replay c) It forces the trace to use IPv6 d) It limits the trace to only 6 hops
c) It forces the trace to use IPv6
A network engineer is analyzing reports from a recently performed network baseline. Which situation would depict a possible latency issue? a) a change in the bandwidth according to the show interfaces output b) a next-hop timeout from a traceroute c) an increase in host-to-host ping response times d) a change in the amount of RAM according to the show version output
c) an increase in host-to-host ping response times
A support technician needs to know the IP address of the wireless interface on MAC. What is the best command to use to accomplish the task? a) show ip nat translations b) show interfaces c) ipconfig getifaddr en0 d) copy running-config startup-config
c) ipconfig getifaddr en0
Which command can an administrator execute to determine what interface a router will use to reach remote networks? a) show arp b) show interfaces c) show ip route d) show protocols
c) show ip route
Why would a network administrator use the tracert utility? a) to determine the active TCP connections on a PC b) to check information about a DNS name in the DNS server c) to identify where a packet was lost or delayed on a network d) to display the IP address, default gateway, and DNS server address for a PC
c) to identify where a packet was lost or delayed on a network
A user reports a lack of network connectivity. The technician takes control of the user machine and attempts to ping other computers on the network and these pings fail. The technician pings the default gateway and that also fails. What can be determined for sure by the results of these tests? a) The NIC in the PC is bad. b) The TCP/IP protocol is not enabled. c) The router that is attached to the same network as the workstation is down. d) Nothing can be determined for sure at this point
d) Nothing can be determined for sure at this point
What is an accurate description of redundancy? a) configuring a router with a complete MAC address database to ensure that all frames can be forwarded to the correct destination b) configuring a switch with proper security to ensure that all traffic forwarded through an interface is filtered c) designing a network to use multiple virtual devices to ensure that all traffic uses the best path through the internetwork d) designing a network to use multiple paths between switches to ensure there is no single point of failure
d) designing a network to use multiple paths between switches to ensure there is no single point of failure
A user is redesigning a network for a small company and wants to ensure security at a reasonable price. The user deploys a new application-aware firewall with intrusion detection capabilities on the ISP connection. The user installs a second firewall to separate the company network from the public network. Additionally, the user installs an IPS on the internal network of the company. What approach is the user implementing? a) attack based b) risk based c) structured d) layered
d) layered
When applied to a router, which command would help mitigate brute-force password attacks against the router? a) exec-timeout 30 b) service password-encryption c) banner motd $Max failed logins = 5$ d) login block-for 60 attempts 5 within 60
d) login block-for 60 attempts 5 within 60
What feature of SSH makes it more secure than Telnet for a device management connection? a) confidentiality with IPsec b) stronger password requirement c) random one-time port connection d) login information and data encryption
d) login information and data encryption
A network engineer is troubleshooting connectivity issues among interconnected Cisco routers and switches. Which command should the engineer use to find the IP address information, host name, and IOS version of neighboring network devices? a) show version b) show ip route c) show interfaces d) show cdp neighbors detail
d) show cdp neighbors detail
Which command should be used on a Cisco router or switch to allow log messages to be displayed on remotely connected sessions using Telnet or SSH? a) debug all b) logging synchronous c) show running-config d) terminal monitor
d) terminal monitor
Refer to the exhibit. Baseline documentation for a small company had ping round trip time statistics of 36/97/132 between hosts H1 and H3. Today the network administrator checked connectivity by pinging between hosts H1 and H3 that resulted in a round trip time of 1458/2390/6066. What does this indicate to the network administrator? a) Connectivity between H1 and H3 is fine. b) H3 is not connected properly to the network. c) Something is causing interference between H1 and R1. d) Performance between the networks is within expected parameters. e) Something is causing a time delay between the networks
e) Something is causing a time delay between the networks
