Q:1-20 Flashcards
- Which design feature will limit the size of a failure domain in an enterprise network?
A. The purchase of enterprise equipment that is designed for large traffic volumes
B The installation of redundant power supplies
C. The use of a collapsed core design
D. the use of the building switch block approach
D. the use of the building switch block approach
- Which two things should a network admin modify on a router to perform password recovery? (Choose two)
A. the system image file B. the NVRAM file system C. the configuration register value D. the startup configuration file E. System ROM
C. the configuration register value
D. the startup configuration file
- What type of network uses one common infrastructure to carry voice, data and video signals?
A. Borderless
B. Converged
C. Managed
D. Switched
B. Converged
- What are three advantages of using private IP addresses and NAT? Choose three.
A. hides private LAN addressing from outside devices that are connected to the Internet
B. permits LAN expansion without additional public IP addresses
C. reduces CPU usage on customer routers
D. Creates multiple public IP addresses
E. improves the performance of the router that is connected to the Internet
F. conserves registered public IP addresses
A. hides private LAN addressing from outside devices that are connected to the Internet
B. permits LAN expansion without additional public IP addresses
F. conserves registered public IP addresses
- Which two scenarios are examples of remote access VPNs? (Choose two.)
A. All users at a large branch office can access company resources through a single VPN connection.
B. A small branch office with three employees has a Cisco ASA that is used to create a VPN connection to the HQ.
C. A toy manufacturer has a permanent VPN connection to one of its parts suppliers.
D. A mobile sales agent is connecting to the company network via the Internet connection at a hotel.
E. An employee who is working from home uses VPN client software on a laptop in order to connect to the company network.
D. A mobile sales agent is connecting to the company network via the Internet connection at a hotel.
E. An employee who is working from home uses VPN client software on a laptop in order to connect to the company network.
- What are three benefits of cloud computing? (Choose three.)
A. It utilizes end-user clients to do a substantial amount of data preprocessing and storage.
B. It uses open-source software for distributed processing of large datasets.
C. It streamlines the IT operations of an organization by subscribing only to needed services.
D. It enables access to organizational data anywhere and at any time.
E. It turns raw data into meaningful information by discovering patterns and relationships.
F. It eliminates or reduces the need for onsite IT equipment, maintenance, and management.
C. It streamlines the IT operations of an organization by subscribing only to needed services.
D. It enables access to organizational data anywhere and at any time.
F. It eliminates or reduces the need for onsite IT equipment, maintenance, and management.
- What is a characteristic of a single-area OSPF network?
A. All routers share a common forwarding database.
B. All routers have the same neighbor table.
C. All routers are in the backbone area.
D. All routers have the same routing table.
C. All routers are in the backbone area.
- What is a WAN?
A. a network infrastructure that spans a limited physical area such as a city
B. a network infrastructure that provides access to other networks over a large geographic area
C. a network infrastructure that provides access in a small geographic area
D. a network infrastructure designed to provide data storage, retrieval, and replication
B. a network infrastructure that provides access to other networks over a large geographic area
- 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?
A. data center
B. virtualization
C. dedicated servers
D. software defined networking
A. data center
- Which type of OSPF packet is used by a router to discover neighbor routers and establish neighbor adjacency?
A. link-state update
B. hello
C. database description
D. ink-state request
B. hello
- Which two statements are characteristics of a virus? (Choose two.)
A. A virus has an enabling vulnerability, a propagation mechanism, and a payload.
B. A virus can be dormant and then activate at a specific time or date.
C. A virus provides the attacker with sensitive data, such as passwords.
D. A virus replicates itself by independently exploiting vulnerabilities in networks.
E. A virus typically requires end-user activation.
B. A virus can be dormant and then activate at a specific time or date.
E. A virus typically requires end-user activation.
- Which public WAN access technology utilizes copper telephone lines to provide access to subscribers that are multiplexed into a single T3 link connection?
A. ISDN
B. DSL
C. cable
D. dialup
B. DSL
- 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?
A. packet-switched network
B. Ethernet WAN
C. circuit-switched network
D. MPLS
B. Ethernet WAN
- 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?
A. to detect installed tools within files and directories that provide threat actors remote access and control over a computer or network
B. to reverse engineer binary files when writing exploits and when analyzing malware
C. to obtain specially designed operating systems preloaded with tools optimized for hacking
D. to detect any evidence of a hack or malware in a computer or network
B. to reverse engineer binary files when writing exploits and when analyzing malware
- 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?
A. Two devices connected to the router have IP addresses of 192.168.10. x .
B. Two devices were able to use SSH or Telnet to gain access to the router.
C. Traffic from one device was not allowed to come into one router port and be routed outbound a different router port.
D. Traffic from two devices was allowed to enter one router port and be routed outbound to a different router port.
B. Two devices were able to use SSH or Telnet to gain access to the router.
