CIT203Fin EXAMPRAC
What command would be used as part of configuring NAT or PAT to identify inside local addresses that are to be translated?
access-list 10 permit 172.19.89.0 0.0.0.255
Which set of access control entries would allow all users on the 192.168.10.0/24 network to access a web server that is located at 172.17.80.1, but would not allow them to use Telnet?
access-list 103 permit tcp 192.168.10.0 0.0.0.255 host 172.17.80.1 eq 80access-list 103 deny tcp 192.168.10.0 0.0.0.255 any eq 23
In JSON, what is held within square brackets [ ]?
an array
A network technician is configuring SNMPv3 and has set a security level of auth . What is the effect of this setting?
authenticates a packet by using either the HMAC with MD5 method or the SHA method
A group of users on the same network are all complaining about their computers running slowly. After investigating, the technician determines that these computers are part of a zombie network. Which type of malware is used to control these computers?
botnet
Which step in the link-state routing process is described by a router building a link-state database based on received LSAs?
building the topology table
What QoS step must occur before packets can be marked?
classifying
What command would be used as part of configuring NAT or PAT to clear dynamic entries before the timeout has expired?
clear ip nat translation
What type of network uses one common infrastructure to carry voice, data, and video signals?
converged
A network administrator has been tasked with creating a disaster recovery plan. As part of this plan, the administrator is looking for a backup site for all of the data on the company servers. What service or technology would support this requirement?
data center
An ACL is applied inbound on a router interface. The ACL consists of a single entry: access-list 101 permit tcp 10.1.1.0 0.0.0.255 host 10.1.3.8 eq dns .If a packet with a source address of 10.1.3.8, a destination address of 10.10.3.8, and a protocol of 53 is received on the interface, is the packet permitted or denied?
denied
An ACL is applied inbound on a router interface. The ACL consists of a single entry: access-list 101 permit tcp 10.1.1.0 0.0.0.255 host 192.31.7.45 eq dns . If a packet with a source address of 10.1.1.201, a destination address of 192.31.7.45, and a protocol of 23 is received on the interface, is the packet permitted or denied?
denied
A user reports that when the corporate web page URL is entered on a web browser, an error message indicates that the page cannot be displayed. The help-desk technician asks the user to enter the IP address of the web server to see if the page can be displayed. Which troubleshooting method is being used by the technician?
divide-and-conquer
Which is a characteristic of a Type 2 hypervisor?
does not require management console software
Which type of VPN allows multicast and broadcast traffic over a secure site-to-site VPN?
dynamic multipoint VPN
Which step in the link-state routing process is described by a router running an algorithm to determine the best path to each destination?
executing the SPF algorithm
What is the final operational state that will form between an OSPF DR and a DROTHER once the routers reach convergence?
full
Which type of OSPF packet is used by a router to discover neighbor routers and establish neighbor adjacency?
hello
Which type of OSPFv2 packet is used to forward OSPF link change information?
link-state update
Which group of APIs are used by an SDN controller to communicate with various applications?
northbound APIs
A company is developing a security policy for secure communication. In the exchange of critical messages between a headquarters office and a branch office, a hash value should only be recalculated with a predetermined code, thus ensuring the validity of data source. Which aspect of secure communications is addressed?
origin authentication
An ACL is applied inbound on a router interface. The ACL consists of a single entry: access-list 101 permit udp 192.168.100.0 0.0.2.255 64.100.40.0 0.0.0.15 eq telnet . If a packet with a source address of 192.168.101.45, a destination address of 64.100.40.4, and a protocol of 23 is received on the interface, is the packet permitted or denied?
permitted
An ACL is applied inbound on a router interface. The ACL consists of a single entry: access-list 210 permit tcp 172.18.20.0 0.0.0.31 172.18.20.32 0.0.0.31 eq ftp .If a packet with a source address of 172.18.20.14, a destination address of 172.18.20.40, and a protocol of 21 is received on the interface, is the packet permitted or denied?
permitted
An OSPF router has three directly connected networks; 10.0.0.0/16, 10.1.0.0/16, and 10.2.0.0/16. Which OSPF network command would advertise only the 10.1.0.0 network to neighbors?
router(config-router)# network 10.1.0.0 0.0.255.255 area 0
What command would be used as part of configuring NAT or PAT to display information about NAT configuration parameters and the number of addresses in the pool?
show ip nat statistics
Two corporations have just completed a merger. The network engineer has been asked to connect the two corporate networks without the expense of leased lines. Which solution would be the most cost effective method of providing a proper and secure connection between the two corporate networks?
site-to-site VPN
How does virtualization help with disaster recovery within a data center?
support of live migration
Which type of server would be used to keep a historical record of messages from monitored network devices?
syslog
What is used to pre-populate the adjacency table on Cisco devices that use CEF to process packets?
the ARP table
Which component of the ACI architecture translates application policies into network programming?
the Application Policy Infrastructure Controller
Which design feature will limit the size of a failure domain in an enterprise network?
the use of the building switch block approach
A company has contracted with a network security firm to help identify the vulnerabilities of the corporate network. The firm sends a team to perform penetration tests to the company network. Why would the team use packet sniffers?
to capture and analyze packets within traditional Ethernet LANs or WLANs
What is one reason to use the ip ospf priority command when the OSPF routing protocol is in use?
to influence the DR/BDR election process
A company has contracted with a network security firm to help identify the vulnerabilities of the corporate network. The firm sends a team to perform penetration tests to the company network. Why would the team use applications such as John the Ripper,THC Hydra, RainbowCrack, and Medusa?
to make repeated guesses in order to crack a password
A company has contracted with a network security firm to help identify the vulnerabilities of the corporate network. The firm sends a team to perform penetration tests to the company network. Why would the team use debuggers?
to reverse engineer binary files when writing exploits and when analyzing malware
What type of traffic is described as having a high volume of data per packet?
video
A data center has recently updated a physical server to host multiple operating systems on a single CPU. The data center can now provide each customer with a separate web server without having to allocate an actual discrete server for each customer. What is the networking trend that is being implemented by the data center in this situation?
virtualization
When will an OSPF-enabled router transition from the Down state to the Init state?
when the router receives a hello packet from a neighbor router
Which two conclusions can be drawn from this new configuration? (Choose two.)
*Ping packets will be permitted. *SSH packets will be permitted.
Which two scenarios are examples of remote access VPNs? (Choose two.)
+A mobile sales agent is connecting to the company network via the Internet connection at a hotel. +An employee who is working from home uses VPN client software on a laptop in order to connect to the company network.
Which two statements are characteristics of a virus? (Choose two.)
+A virus can be dormant and then activate at a specific time or date. +A virus typically requires end-user activation.
What are two syntax rules for writing a JSON array? (Choose two.)
+Each value in the array is separated by a comma. +Values are enclosed in square brackets.
Which two statements describe the use of asymmetric algorithms? (Choose two.)
+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 are three benefits of cloud computing? (Choose three.)
+It streamlines the IT operations of an organization by subscribing only to needed services. +It enables access to organizational data anywhere and at any time. +It eliminates or reduces the need for onsite IT equipment, maintenance, and management.
Which two IPsec protocols are used to provide data integrity?
+MD5 +SHA
What are two benefits of using SNMP traps? (Choose two.)
+They eliminate the need for some periodic polling requests. +They reduce the load on network and agent resources.
What are two characteristics of video traffic? (Choose two.)
+Video traffic latency should not exceed 400 ms. +Video traffic is unpredictable and inconsistent.
What are two types of attacks used on DNS open resolvers? (Choose two.)
+amplification and reflection +resource utilization
In a large enterprise network, which two functions are performed by routers at the distribution layer? (Choose two.)
+connect remote networks +provide data traffic security
Which two scenarios would result in a duplex mismatch? (Choose two.)
+connecting a device with autonegotiation to another that is manually set to full-duplex +manually setting the two connected devices to different duplex modes
When QoS is implemented in a converged network, which two factors can be controlled to improve network performance for real-time traffic? (Choose two.)
+delay +jitter
What are three components used in the query portion of a typical RESTful API request? (Choose three.)
+format +key +parameters
What are three advantages of using private IP addresses and NAT? (Choose three.)
+hides private LAN addressing from outside devices that are connected to the Internet +permits LAN expansion without additional public IP addresses
Which two pieces of information should be included in a logical topology diagram of a network? (Choose two.)
+interface identifier +connection type
A company is considering updating the campus WAN connection. Which two WAN options are examples of the private WAN architecture? (Choose two.)
+leased line +Ethernet WAN
What are two benefits of extending access layer connectivity to users through a wireless medium? (Choose two.)
+reduced costs +increased flexibility
What are the two types of VPN connections? (Choose two.)
+site-to-site +remote access
Which two things should a network administrator modify on a router to perform password recovery? (Choose two.)
+the configuration register value +the startup configuration file
What are two purposes of launching a reconnaissance attack on a network? (Choose two.)
+to scan for accessibility +to gather information about the network and devices
An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 10.27.27.0 255.255.255.0. What wildcard mask would the administrator use in the OSPF network statement?
0.0.0.255
An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 192.168.0.0 255.255.254.0. What wildcard mask would the administrator use in the OSPF network statement?
0.0.1.255
An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 172.20.0.0 255.255.252.0. What wildcard mask would the administrator use in the OSPF network statement?
0.0.3.255
An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 192.168.0.0 255.255.252.0. What wildcard mask would the administrator use in the OSPF network statement?
0.0.3.255
If a router has two interfaces and is routing both IPv4 and IPv6 traffic, how many ACLs could be created and applied to it?
8
What is a characteristic of a single-area OSPF network?
All routers are in the backbone area.
What protocol sends periodic advertisements between connected Cisco devices in order to learn device name, IOS version, and the number and type of interfaces?
CDP
Devices and inside writing that are located on the enterprise edge and connect to a carrier link
CPE
Which type of QoS marking is applied to Ethernet frames?
CoS
Devices that provide an interface for customers to connect to within the WAN cloud
DCE
An attacker is redirecting traffic to a false default gateway in an attempt to intercept the data traffic of a switched network. What type of attack could achieve this?
DHCP spoofing
Which public WAN access technology utilizes copper telephone lines to provide access to subscribers that are multiplexed into a single T3 link connection?
DSL
Customer devices that pass the data from a costumer network for transmission over the WAN
DTE
A company needs to interconnect several branch offices across a metropolitan area. The network engineer is seeking a solution that provides high-speed converged traffic, including voice, video, and data on the same network infrastructure. The company also wants easy integration to their existing LAN infrastructure in their office locations. Which technology should be recommended?
Ethernet WAN
A customer needs a metropolitan area WAN connection that provides high-speed, dedicated bandwidth between two sites. Which type of WAN connection would best fulfill this need?
Ethernet WAN
How does virtualization help with disaster recovery within a data center?
Hardware does not have to be identical.
Which protocol provides authentication, integrity, and confidentiality services and is a type of VPN?
IPsec
Which statement accurately describes a characteristic of IPsec?
IPsec is a framework of open standards that relies on existing algorithms.
What functionality does mGRE provide to the DMVPN technology?
It allows the creation of dynamically allocated tunnels through a permanent tunnel source at the hub and dynamically allocated tunnel destinations at the spokes.
What is a purpose of establishing a network baseline?
It creates a point of reference for future network evaluations.
What is the main function of a hypervisor?
It is used to create and manage multiple VM instances on a host machine.
What protocol is a vendor-neutral Layer 2 protocol that advertises the identity and capabilities of the host device to other connected network devices?
LLDP
A physical connection from the customer to the service provider POP
Local Loop
What is a characteristic of a Trojan horse as it relates to network security?
Malware is contained in a seemingly legitimate executable program.
In setting up a small office network, the network administrator decides to assign private IP addresses dynamically to workstations and mobile devices. Which feature must be enabled on the company router in order for office devices to access the internet?
NAT
What protocol synchronizes with a private master clock or with a publicly available server on the internet?
NTP
In which step of gathering symptoms does the network engineer determine if the problem is at the core, distribution, or access layer of the network?
Narrow the scope
Which statement describes a characteristic of Cisco Catalyst 2960 switches?
New Cisco Catalyst 2960-C switches support PoE pass-through.
What protocol uses agents, that reside on managed devices, to collect and store information about the device and its operation?
SNMP
Which type of VPN connects using the Transport Layer Security (TLS) feature?
SSL VPN
If an outside host does not have the Cisco AnyConnect client preinstalled, how would the host gain access to the client image?
The host initiates a clientless VPN connection using a compliant web browser to download the client.
What is a characteristic of the two-tier spine-leaf topology of the Cisco ACI fabric architecture?
The leaf switches always attach to the spines, but they never attach to each other.
Which statement describes a characteristic of standard IPv4 ACLs?
They filter traffic based on source IP addresses only.
Consider the following output for an ACL that has been applied to a router via the access-class in command. What can a network administrator determine from the output that is shown? R1# Standard IP access list 2 10 permit 192.168.10.0, wildcard bits 0.0.0.255 (2 matches) 20 deny any (1 match)
Two devices were able to use SSH or Telnet to gain access to the router.
In which OSPF state is the DR/BDR election conducted?
Two-Way
A company has consolidated a number of servers and it is looking for a program or firmware to create and control virtual machines which have access to all the hardware of the consolidated servers. What service or technology would support this requirement?
Type-1 hypervisor
Which statement describes a VPN?
VPNs use virtual connections to create a private network through a public network.
Why is QoS an important issue in a converged network that combines voice, video, and data communications?
Voice and video communications are more sensitive to latency.
Which troubleshooting approach is more appropriate for a seasoned network administrator rather than a less-experienced network administrator?
a less-structured approach based on an educated guess
Which type of resources are required for a Type 1 hypervisor?
a management console
What is a WAN?
a network infrastructure that provides access to other networks over a large geographic area
