Question 1

What are two roles of the Dynamic Host Configuration Protocol (DHCP)? (Choose two.)

Accepted Answer

A)  The DHCP server assigns IP addresses without requiring the client to renew them. 
B)  The DHCP server leases client IP addresses dynamically. 
C)  The DHCP client can request up to four DNS server addresses. 
D)  The DHCP server offers the ability to exclude specific IP addresses from a pool of IP addresses. 
E)  The DHCP client maintains a pool of IP addresses it can assign. 
A)  The DHCP server assigns IP addresses without requiring the client to renew them. 
B)  The DHCP server leases client IP addresses dynamically. 
C)  The DHCP client can request up to four DNS server addresses. 
D)  The DHCP server offers the ability to exclude specific IP addresses from a pool of IP addresses. 
E)  The DHCP client maintains a pool of IP addresses it can assign.

Question 2

Which security program element involves installing badge readers on data-center doors to allow workers to enter and exit based on their job roles?

Accepted Answer

A)  physical access control 
B)  biometrics 
C)  role-based access control 
D)  multifactor authentication 
A)  physical access control 
B)  biometrics 
C)  role-based access control 
D)  multifactor authentication

Question 3

You have implemented a dynamic blacklist, using security intelligence to block illicit network activity. However, the blacklist contains several approved connections that users must access for business purposes. Which action can you take to retain the blacklist while allowing users to access the approved sites?

Accepted Answer

A)  Create a whitelist and manually add the approved addresses 
B)  Edit the dynamic blacklist to remove the approved addresses 
C)  Disable the dynamic blacklist and deny the specific address on a whitelist while permitting the others 
D)  Disable the dynamic blacklist and create a static blacklist in its place 
A)  Create a whitelist and manually add the approved addresses 
B)  Edit the dynamic blacklist to remove the approved addresses 
C)  Disable the dynamic blacklist and deny the specific address on a whitelist while permitting the others 
D)  Disable the dynamic blacklist and create a static blacklist in its place

Question 4

Which option about JSON is true

Accepted Answer

A)  uses predefined tags or angle brackets () to delimit markup text 
B)  used to describe structured data that includes arrays 
C)  used for storing information 
D)  similar to HTML, it is more verbose than XML 
A)  uses predefined tags or angle brackets () to delimit markup text 
B)  used to describe structured data that includes arrays 
C)  used for storing information 
D)  similar to HTML, it is more verbose than XML

Question 5

Refer to the exhibit. Router R1 is running three different routing protocols. Which route characteristic is used by the router to forward the packet that it receives for destination IP 172.16.32.1?

Accepted Answer

A)  longest prefix 
B)  administrative distance 
C)  cost 
D)  metric 
A)  longest prefix 
B)  administrative distance 
C)  cost 
D)  metric

Question 6

Refer to the exhibit. Which prefix does Router1 use for traffic to Host A?

Accepted Answer

A)  10.10.10.0/28 
B)  10.10.13.0/25 
C)  10.10.13.144/28 
D)  10.10.13.208/29 
A)  10.10.10.0/28 
B)  10.10.13.0/25 
C)  10.10.13.144/28 
D)  10.10.13.208/29

Question 7

Which of the following is the JSON encoding of a dictionary or hash?

Accepted Answer

A)  {"key": "value"} 
B)  ["key", "value"] 
C)  {"key", "value"} 
D)  ("key": "value") 
A)  {"key": "value"} 
B)  ["key", "value"] 
C)  {"key", "value"} 
D)  ("key": "value")

Question 8

Which protocol is used in Software Defined Access (SDA) to provide a tunnel between two edge nodes in different fabrics?

Accepted Answer

A)  Generic Router Encapsulation (GR
E)  
B)  Virtual Local Area Network (VLAN) 
C)  Virtual Extensible LAN (VXLAN) 
D)  Point-to-Point Protocol (PPP) 
A)  Generic Router Encapsulation (GR
E)  
B)  Virtual Local Area Network (VLAN) 
C)  Virtual Extensible LAN (VXLAN) 
D)  Point-to-Point Protocol (PPP)

Question 9

Which plane is centralized by an SDN controller?

Accepted Answer

A)  management-plane 
B)  data-plane 
C)  services-plane 
D)  control-plane 
A)  management-plane 
B)  data-plane 
C)  services-plane 
D)  control-plane

Question 10

What is the primary effect of the spanning-tree portfast command?

Accepted Answer

A)  It immediately enables the port in the listening state. 
B)  It immediately puts the port into the forwarding state when the switch is reloaded. 
C)  It enables BPDU messages. 
D)  It minimizes spanning-tree convergence time. 
A)  It immediately enables the port in the listening state. 
B)  It immediately puts the port into the forwarding state when the switch is reloaded. 
C)  It enables BPDU messages. 
D)  It minimizes spanning-tree convergence time.

Question 11

When deploying syslog, which severity level logs informational messages?

Accepted Answer

A)  0 
B)  2 
C)  4 
D)  6 
A)  0 
B)  2 
C)  4 
D)  6

Question 12

Refer to the exhibit. If OSPF is running on this network, how does Router2 handle traffic from Site B to 10.10.13.128/25 at Site A?

Accepted Answer

A)  It sends packets out of interface Fa0/1 only. 
B)  It sends packets out of interface Fa0/2 only. 
C)  It load-balances traffic out of Fa0/1 and Fa0/2. 
D)  It cannot send packets to 10.10.13.128/25. 
A)  It sends packets out of interface Fa0/1 only. 
B)  It sends packets out of interface Fa0/2 only. 
C)  It load-balances traffic out of Fa0/1 and Fa0/2. 
D)  It cannot send packets to 10.10.13.128/25.

Question 13

A network administrator enters the following command on a router: logging trap 3. What are three message types that will be sent to the Syslog server? (Choose three.)

Accepted Answer

A)  informational 
B)  emergency 
C)  warning 
D)  critical 
E)  debug
F) error 
A)  informational 
B)  emergency 
C)  warning 
D)  critical 
E)  debug
F) error

Question 14

What is the function of a server?

Accepted Answer

A)  It transmits packets between hosts in the same broadcast domain. 
B)  It provides shared applications to end users. 
C)  It routes traffic between Layer 3 devices. 
D)  It Creates security zones between trusted and untrusted networks. 
A)  It transmits packets between hosts in the same broadcast domain. 
B)  It provides shared applications to end users. 
C)  It routes traffic between Layer 3 devices. 
D)  It Creates security zones between trusted and untrusted networks.

Question 15

Which design element is a best practice when deploying an 802.11b wireless infrastructure?

Accepted Answer

A)  allocating nonoverlapping channels to access points that are in close physical proximity to one another 
B)  disabling TCP so that access points can negotiate signal levels with their attached wireless devices 
C)  configuring access points to provide clients with a maximum of 5 Mbps 
D)  setting the maximum data rate to 54 Mbps on the Cisco Wireless LAN Controller 
A)  allocating nonoverlapping channels to access points that are in close physical proximity to one another 
B)  disabling TCP so that access points can negotiate signal levels with their attached wireless devices 
C)  configuring access points to provide clients with a maximum of 5 Mbps 
D)  setting the maximum data rate to 54 Mbps on the Cisco Wireless LAN Controller

Question 16

Which two actions are performed by the Weighted Random Early Detection mechanism? (Choose two.)

Accepted Answer

A)  It supports protocol discovery. 
B)  It guarantees the delivery of high-priority packets. 
C)  It can identify different flows with a high level of granularity. 
D)  It can mitigate congestion by preventing the queue from filling up. 
E)  It drops lower-priority packets before it drops higher-priority packets. 
A)  It supports protocol discovery. 
B)  It guarantees the delivery of high-priority packets. 
C)  It can identify different flows with a high level of granularity. 
D)  It can mitigate congestion by preventing the queue from filling up. 
E)  It drops lower-priority packets before it drops higher-priority packets.

Question 17

Which NAT term is defined as a group of addresses available for NAT use?

Accepted Answer

A)  NAT pool 
B)  dynamic NAT 
C)  static NAT 
D)  one-way NAT 
A)  NAT pool 
B)  dynamic NAT 
C)  static NAT 
D)  one-way NAT

Question 18

Which three describe the reasons large OSPF networks use a hierarchical design? (Choose three.)

Accepted Answer

A)  to speed up convergence 
B)  to reduce routing overhead 
C)  to lower costs by replacing routers with distribution layer switches 
D)  to decrease latency by increasing bandwidth 
E)  to confine network instability to single areas of the network
F) to reduce the complexity of router configuration 
A)  to speed up convergence 
B)  to reduce routing overhead 
C)  to lower costs by replacing routers with distribution layer switches 
D)  to decrease latency by increasing bandwidth 
E)  to confine network instability to single areas of the network
F) to reduce the complexity of router configuration

Question 19

Refer to the exhibit. An engineer configured the New York router with static routes that point to the Atlanta and Washington sites. Which command must be configured on the Atlanta and Washington routers so that both sites are able to reach the loopback2 interface on the New York router?

Accepted Answer

A)  ipv6 route::/0 Serial 0/0/0 
B)  ipv6 route::/0 Serial 0/0/1 
C)  ipv6 route:0/0 Serial 0/0/0 
D)  ip route 0.0.0.0 0.0.0.0 Serial 0/0/0 
E)  ipv6 route::/0 2000::2 
A)  ipv6 route::/0 Serial 0/0/0 
B)  ipv6 route::/0 Serial 0/0/1 
C)  ipv6 route:0/0 Serial 0/0/0 
D)  ip route 0.0.0.0 0.0.0.0 Serial 0/0/0 
E)  ipv6 route::/0 2000::2

Question 20

What are two differences between optical-fiber cabling and copper cabling? (Choose two.)

Accepted Answer

A)  A BNC connector is used for fiber connections 
B)  The glass core component is encased in a cladding 
C)  The data can pass through the cladding 
D)  Light is transmitted through the core of the fiber 
E)  Fiber connects to physical interfaces using RJ-45 connections 
A)  A BNC connector is used for fiber connections 
B)  The glass core component is encased in a cladding 
C)  The data can pass through the cladding 
D)  Light is transmitted through the core of the fiber 
E)  Fiber connects to physical interfaces using RJ-45 connections

Exam 4: Cisco Certified Network Associate (CCNA)

What are two roles of the Dynamic Host Configuration Protocol (DHCP)? (Choose two.)

Which security program element involves installing badge readers on data-center doors to allow workers to enter and exit based on their job roles?

Which option about JSON is true

Refer to the exhibit. Router R1 is running three different routing protocols. Which route characteristic is used by the router to forward the packet that it receives for destination IP 172.16.32.1?

Refer to the exhibit. Which prefix does Router1 use for traffic to Host A?

Which of the following is the JSON encoding of a dictionary or hash?

Which protocol is used in Software Defined Access (SDA) to provide a tunnel between two edge nodes in different fabrics?

Which plane is centralized by an SDN controller?

What is the primary effect of the spanning-tree portfast command?

When deploying syslog, which severity level logs informational messages?

Refer to the exhibit. If OSPF is running on this network, how does Router2 handle traffic from Site B to 10.10.13.128/25 at Site A?

A network administrator enters the following command on a router: logging trap 3. What are three message types that will be sent to the Syslog server? (Choose three.)

What is the function of a server?

Which design element is a best practice when deploying an 802.11b wireless infrastructure?

Which two actions are performed by the Weighted Random Early Detection mechanism? (Choose two.)

Which NAT term is defined as a group of addresses available for NAT use?

Which three describe the reasons large OSPF networks use a hierarchical design? (Choose three.)

Refer to the exhibit. An engineer configured the New York router with static routes that point to the Atlanta and Washington sites. Which command must be configured on the Atlanta and Washington routers so that both sites are able to reach the loopback2 interface on the New York router?

What are two differences between optical-fiber cabling and copper cabling? (Choose two.)

Supporting Cisco Data Center System Devices (DCTECH)

Cisco Certified Technician Routing & Switching (RSTECH)

Understanding Cisco Cybersecurity Operations Fundamentals (CBROPS)

Managing Industrial Networks with Cisco Networking Technologies (IMINS)

DevNet Associate (DEVASC)

Conducting Forensic Analysis and Incident Response Using Cisco CyberOps Technologies (CBRFIR)

Implementing Cisco Enterprise Advanced Routing and Services (ENARSI)

Implementing Cisco SD-WAN Solutions (ENSDWI)

Designing Cisco Enterprise Networks (ENSLD)

Designing Cisco Enterprise Wireless Networks (300-425 ENWLSD)

Implementing Cisco Enterprise Wireless Networks (300-430 ENWLSI)

Automating Cisco Enterprise Solutions (ENAUTO)

Implementing Cisco Service Provider Advanced Routing Solutions (SPRI)

Implementing Cisco Service Provider VPN Services (SPVI)

Designing Cisco Data Center Infrastructure (DCID)

Troubleshooting Cisco Data Center Infrastructure (DCIT)

Implementing Cisco Application Centric Infrastructure (DCACI)

Configuring Cisco MDS 9000 Series Switches (DCSAN)

Implementing Cisco Application Centric Infrastructure - Advanced

Automating Cisco Data Center Solutions (DCAUTO)

Securing Networks with Cisco Firepower (300-710 SNCF)

Implementing and Configuring Cisco Identity Services Engine (300-715 SISE)

Securing Email with Cisco Email Security Appliance (300-720 SESA)

Securing the Web with Cisco Web Security Appliance (300-725 SWSA)

Implementing Secure Solutions with Virtual Private Networks (SVPN 300-730)

Automating Cisco Security Solutions (SAUTO)

Implementing Cisco Collaboration Applications (CLICA)

Implementing Cisco Advanced Call Control and Mobility Services (CLASSM)

Implementing Cisco Collaboration Cloud and Edge Solutions

Implementing Cisco Collaboration Conferencing

Automating Cisco Collaboration Solutions (CLAUTO)

Implementing DevOps Solutions and Practices using Cisco Platforms (DEVOPS)

Developing Solutions Using Cisco IoT and Edge Platforms (DEVIOT)

Developing Applications for Cisco Webex and Webex Devices (DEVWBX)

Performing CyberOps Using Core Security Technologies (CBRCOR)

Implementing Cisco Enterprise Network Core Technologies (ENCOR)

Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR)

Implementing and Operating Cisco Data Center Core Technologies (DCCOR)

Implementing and Operating Cisco Security Core Technologies

Implementing Cisco Collaboration Core Technologies (CLCOR)

Developing Applications using Cisco Core Platforms and APIs (DEVCOR)

CCDE Design Written

Deploying Cisco Unified Contact Center Express

Cisco Meraki Solutions Specialist

Securing Cisco Networks with Sourcefire FireAMP Endpoints

Designing Cisco Unified Contact Center Enterprise (UCCED)

Implementing and Supporting Cisco Unified Contact Center Enterprise (UCCEIS)

Cisco Collaboration SaaS Authorization Exam

Cisco Security Architecture for System Engineers

Adopting The Cisco Business Architecture Approach (DTBAA)

Cisco Customer Success Manager (CSM)

Mastering The Cisco Business Architecture Discipline (DTBAD)

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