________ is a feature of VPNs that allows the creation of secure connections over a public network infrastructure.
- Tunneling
- Encryption
- Authentication
- Decryption
Tunneling is a feature of VPNs that allows the creation of secure connections over a public network infrastructure.
A company wants to migrate its data and applications to the cloud to improve scalability and reduce operational costs. Which type of cloud computing model should they consider?
- Infrastructure as a Service (IaaS)
- Platform as a Service (PaaS)
- Software as a Service (SaaS)
- Function as a Service (FaaS)
For scalability and reduced operational costs, a Platform as a Service (PaaS) model is suitable as it provides a platform to develop, run, and manage applications without the complexity of infrastructure management.
A ________ topology is characterized by a central node to which all other nodes are connected, forming a layout resembling a star.
- Bus
- Mesh
- Ring
- Star
A Star topology is characterized by a central node to which all other nodes are connected, forming a layout resembling a star.
In what topology do data packets travel from node to node in a ring, with each node having the chance to transmit?
- Bus
- Mesh
- Ring
- Star
In a ring topology, data packets travel from node to node in a ring, with each node having the chance to transmit when it receives control.
Syslog uses what protocol for transmitting log messages in a plain text format?
- TCP
- UDP
- ICMP
- IP
Syslog uses the UDP (User Datagram Protocol) for transmitting log messages in a plain text format.
In a newly configured network with several switches, the network engineer needs to ensure a specific switch becomes the root bridge in STP. What configuration change is needed?
- Changing MAC Address
- Enabling PortFast
- Increasing Switch Priority
- Lowering Switch Priority
To ensure a specific switch becomes the root bridge in STP, the network engineer should increase the switch priority for that particular switch.
In home networking, which cable type is typically used to connect a modem to a router for internet access?
- Coaxial Cable
- Fiber Optic Cable
- HDMI Cable
- Twisted Pair
Coaxial cables are typically used in home networking to connect a modem to a router for internet access.
In BGP, what term is used to describe a group of IP prefixes advertised by a single AS (Autonomous System)?
- Route Aggregation
- Prefix Summarization
- Autonomous System Path
- Link-State Advertising
In BGP, the term used to describe a group of IP prefixes advertised by a single AS is Route Aggregation. This helps in reducing the size of the routing table.
AAA in network security stands for Authentication, Authorization, and ________.
- Accounting
- Access
- Authentication
- Authorization
AAA in network security stands for Authentication, Authorization, and Accounting, representing the three core components of network access control.
How does DNSSEC enhance the security of the DNS?
- By encrypting DNS queries
- By providing digital signatures for DNS data
- By blocking malicious DNS traffic
- By anonymizing DNS requests
DNS Security Extensions (DNSSEC) enhance DNS security by providing digital signatures for DNS data, ensuring data integrity and authenticity.