Network Operations

19% of the exam

Which of the following best describes asset inventory?

A comprehensive list of all assets belonging to or used by an organization, including tangible and intangible items

What does IPAM stand for?

IP address management

What does SLA stand for in a networking or service context?

Service-level agreement

A ________ (also called a heat map) is a visualization used to analyze and map Wi-Fi signal coverage and strength in an area.

Wireless survey (wireless survey/heat map)

In computing, what does OS stand for?

Operating system

In lifecycle management, what does EOL stand for?

End-of-life

In vendor support terms, what does EOS stand for?

End-of-support

In SNMP, what does MIB stand for?

Management information base

In security operations, what does SIEM stand for?

Security information and event management

In network management, what does SNMP stand for?

Simple Network Management Protocol

What is the main goal of a high availability design?

To provide continued operational performance with minimal downtime

In an ________ design, multiple active components share the workload and can handle failures by redistributing traffic

Active-active

In an ________ design, a primary active component is backed up by a secondary standby component that only takes over if the primary fails.

Active-passive

What is a tabletop exercise in the context of disaster recovery and business continuity?

A discussion-based activity where participants simulate a disaster or emergency to test and improve plans, policies, and procedures

A validation test is primarily meant to answer which question?

Does this product do what the user needs it to do?

In business continuity, what does DR stand for?

Disaster recovery

In disaster recovery planning, what does RPO stand for?

Recovery point objective

In disaster recovery planning, what does RTO stand for?

Recovery time objective

In reliability metrics, what does MTTR stand for?

Mean time to repair

In reliability metrics, what does MTBF stand for?

Mean time between failures

In continuity planning, what does BCP stand for?

Business Continuity Plan

Which type of recovery site provides power, networking capability, and cooling but has no servers or storage installed?

C. Cold site

A ________ recovery site includes power, networking, cooling, and storage hardware but still requires data to be transported or restored before it’s fully usable.

Warm site

A ________ is a fully functional backup site with important data mirrored to it, allowing rapid cutover in a disaster.

Hot site

What is dynamic addressing in IP networks?

Automatic assignment of IP addresses to devices on a network, typically using DHCP

Name resolution is the process of converting what into what?

Converting human-readable domain names into the corresponding IP addresses, typically using DNS

In IPv6, what does SLAAC stand for?

Stateless address autoconfiguration

In DNS security, what does DNSSEC stand for?

Domain Name System Security Extensions

In secure time synchronization, what does NTS stand for?

Network Time Security

In time synchronization, what does PTP stand for?

Precision Time Protocol

In secure DNS communications, what does DoH stand for?

DNS over HTTPS

In secure DNS communications, what does DoT stand for?

DNS over TLS

On a local system, the ________ is a static file used to map hostnames to IP addresses before or instead of querying DNS.

Hosts file

In DNS, what type of information does an A record store?

An IPv4 address for a hostname

In DNS, what type of information does an AAAA record store?

An IPv6 address for a hostname

In DNS, what does CNAME stand for?

Canonical name

In DNS, what does MX stand for?

Mail exchange

In DNS, what does a TXT record store?

Text data (arbitrary text associated with a domain, such as verification or policy info)

In DNS, what does NS stand for?

Nameserver

In DNS, what does a PTR record (pointer record) typically map?

It maps an IP address back to a hostname (reverse DNS).

In remote access, a ________ VPN allows remote users to securely access enterprise resources without installing traditional VPN client software.

Clientless

A ________ VPN configuration only encrypts traffic destined for the corporate network, while other internet traffic goes out directly.

Split tunnel

A ________ VPN configuration encrypts all traffic from the client and sends it through the VPN tunnel.

Full tunnel

What is the purpose of a jump box/jump host?

A jump server, jump host or jump box is a system on a network used to access and manage devices in a separate security zone.

Managing network devices over the same network used for normal data traffic is called ________ management.

In-band management

Using a separate, dedicated network solely for managing devices (not for normal data traffic) is called ________ management.

Out-of-band

In user interfaces, what does GUI stand for?

Graphical user interface