Cisco ENSA Final Review

Question 1

When SNMPv1 or SNMPv2 is being used, which feature provides secure access to MIB objects?

Accepted Answer

Community Strings

Question 2

Which attack is being used when threat actors initiate a simultaneous, coordinated attack from multiple source machines?

Accepted Answer

Amplification and Reflection Attacks

Question 3

Which of the following OSPF packets contains an abbreviated list of the LSDB of the sending router?

Accepted Answer

Type 2: DBD Packet

Question 4

Which service provider fiber-optic technology increases the data-carrying capacity using different wavelengths?

Accepted Answer

DWDM

Question 5

In the router ospf process-id command, the process ID value, is locally significant. It must be the same on all routers

Accepted Answer

True

Question 6

Table that triggers a variety of performance-related actions on a flow including the ability to rate-limit the traffic.

Accepted Answer

Meter Table

Question 7

Tunneling protocols such as IPsec do not work well through NAT.

Accepted Answer

True

Question 8

Which queuing algorithm provides support for user-defined traffic classes?

Accepted Answer

CBWFQ

Question 9

Which of the following is used with the Hello Packet to uniquely identify the originating router?

Accepted Answer

Router ID

Question 10

Which tool is useful to investigate packet content while flowing through the network?

Accepted Answer

Protocol Analyzer

Question 11

Which OSI layer are you troubleshooting when the cause of network transmission errors is due to late collisions?

Accepted Answer

Physical

Question 12

How many total ACLs (both IPv4 and IPv6) can be configured on an interface?

Accepted Answer

4

Question 13

Which type of traffic tends to consume a large portion of network capacity?

Accepted Answer

Data

Question 14

A side effect of NAT is that it hides the inside local IP address of a host from the outside network.

Accepted Answer

True

Question 15

Which of the following APIs provides flexible formatting and is the most widely used?

Accepted Answer

REST

Question 16

What is a characteristic of the MIB?

Accepted Answer

The OIDs are organized in a heirarchical structure

Question 17

Which command, on an OSPF router, would give a Gigabit Ethernet interface a lower cost than a Fast Ethernet interface?

Accepted Answer

auto-cost reference-bandwidth 1000

Question 18

This is a standardized request from the SDN controller to define the behavior of the data plane.

Accepted Answer

Southbound APIs

Question 19

Which traditional WAN connectivity option uses T-Carrier or E-Carrier lines?

Accepted Answer

Leased Lines

Question 20

Which security term is used to describe a weakness in a system, or its design, that could be exploited by a threat?

Accepted Answer

Vulnerability

Question 21

Robots are used in dangerous conditions to reduce safety risks to humans.

Accepted Answer

Automation

Question 22

Which WAN connectivity option is based on Ethernet LAN technology?

Accepted Answer

Metro Ethernet

Question 23

A network baseline never ends and continually gathers information on a yearly basis.

Accepted Answer

False

Question 24

Which network layer provides fault isolation and high-speed backbone switch connectivity?

Accepted Answer

Core

Question 25

This is the term used to describe the number of ports available on a single switch.

Accepted Answer

Density

Question 26

Which type of VPN is used to connect a mobile user?

Accepted Answer

Remote Access

Question 27

With NAT overload, each inside local IP address is translated to a unique inside global IP address on one-for-one basis.

Accepted Answer

False

Question 28

Which security term is used to describe the counter-measure for a potential threat or risk?

Accepted Answer

Mitigation

Question 29

Which wildcard mask would permit only host 10.10.10.1?

Accepted Answer

0.0.0.0

Question 30

Which OSI layer are you troubleshooting when investigating a routing protocol loop?

Accepted Answer

Network

Question 31

Which communication method is used in all WAN connections?

Accepted Answer

Serial

Question 32

Which term is used to describe a network that is always accessible?

Accepted Answer

Resilient

Question 33

Which encryption method encrypts plaintext one byte or one bit at a time?

Accepted Answer

Stream Cipher

Question 34

Which VPN benefit allows an enterprise to easily add more users to the network?

Accepted Answer

Scalability

Question 35

Which penetration testing tool is used to probe and test a firewall’s robustness?

Accepted Answer

Packet Crafting Tools

Question 36

Which retains excess packets in a queue and then schedules the excess for later transmission over increments of time?

Accepted Answer

Traffic Shaping

Question 37

A Type 1 hypervisor is installed on top of the existing OS and is called the hosted approach.

Accepted Answer

False

Question 38

Which type of traffic requires at least 384 Kbs of bandwidth?

Accepted Answer

Video

Question 39

Which IPsec function uses pre-shared passwords, digital certificates, or RSA certificates?

Accepted Answer

Authentication

Question 40

This type of router provides end-to-end delivery of subscriber services.

Accepted Answer

Service Provider Router

Question 41

Which WAN topology type describes the virtual connection between source to destination?

Accepted Answer

Logical Topology

Question 42

Which attack exploits the three-way handshake?

Accepted Answer

TCP SYN Flood

Question 43

Which type of traffic can be predictable and smooth?

Accepted Answer

Voice

Question 44

Which wildcard mask would be used to advertise the 192.168.5.96/27 network as part of an OSPF configuration?

Accepted Answer

0.0.0.31

Question 45

During this OSPF state on point-to-point networks, the routers decide which router initiates the exchange of DBD packets

Accepted Answer

ExStart

Question 46

What is caused by variation in delay in network transmission?

Accepted Answer

Jitter

Question 47

Which IOS command can be used to test if other network protocols are working?

Accepted Answer

Telnet

Question 48

What type of protocol is GRE?

Accepted Answer

Carrier

Question 49

Which ACL is capable of filtering based on TCP port number?

Accepted Answer

Extended ACL

Question 50

Which cloud service provides IT managers with access to network equipment, and virtualized services?

Accepted Answer

IaaS

Question 51

Which topology diagram displays IP addresses?

Accepted Answer

Logican

Question 52

What are the permit or deny statements in an ACL called?

Accepted Answer

Access Control Entries

Question 53

What technology separates the OS from the hardware?

Accepted Answer

Virtualization

Question 54

What type of attack is address spoofing?

Accepted Answer

Access

Question 55

Field replaceable line cards are a feature found on which type of switch?

Accepted Answer

Modular

Question 56

Which of the following is a URN?

Accepted Answer

www.cisco.com/c/en/us/solutions/design-zone.html

Question 57

IBN feature is responsible for continuous validation and verification that the network is meeting the expressed intent?

Accepted Answer

Assurance

Question 58

Which type of hacker is described in the scenario: My job is to identify weaknesses in my company’s network .

Accepted Answer

White Hat

Question 59

White space in YAML format is significant and must be correctly formatted.

Accepted Answer

True

Question 60

Which of the following OSPF components is responsible for computing the cost of each route?

Accepted Answer

Dijkstra's Algorithm

Question 61

Which network security device filters known and suspicious internet malware sites?

Accepted Answer

ESA/WSA

Question 62

Which QoS model uses explicit end-to-end resource admission control?

Accepted Answer

Intigrated Services

Question 63

What is the highest OSI layer that should be considered when troubleshooting routers and Layer 3 switches?

Accepted Answer

Layer 4

Question 64

OSPF is well-suited for larger networks because it can be deployed using a hierarchical design.

Accepted Answer

True

Cisco ENSA Final Review

Questions 66

Cisco ENSA Final Review

Questions 66