BGP uses the _______ attribute to identify the originating Autonomous System of a route.
- AS Path
- Origin
- Next Hop
- Local Preference
BGP uses the Origin attribute to identify the originating Autonomous System of a route.
The process of encapsulating data with necessary protocol information at each OSI layer is known as _______.
- Encapsulation
- Fragmentation
- Framing
- Segmentation
The process of encapsulating data with necessary protocol information at each OSI layer is known as encapsulation.
To prevent unauthorized access, a network administrator can configure _______ on switch ports.
- Port Security
- Routing Protocol
- Subnet Masking
- VLAN Trunking
To prevent unauthorized access, a network administrator can configure Port Security on switch ports.
In an IPv4 network, what is the primary reason for implementing CIDR (Classless Inter-Domain Routing)?
- To improve security by assigning unique IP addresses to each device.
- To overcome the limitations of the traditional class-based IP addressing scheme and efficiently allocate IP addresses.
- To reduce the size of the routing tables and slow down the growth of the global routing table.
- To simplify subnetting and make it easier for administrators to manage IP address assignments.
CIDR is implemented in IPv4 networks to overcome the limitations of the traditional class-based IP addressing scheme and efficiently allocate IP addresses.
Which type of DNS record is used to translate domain names into IP addresses?
- A Record
- CNAME Record
- PTR Record
- MX Record
An A Record (Address Record) is used to translate domain names into IP addresses.
What is the impact of configuring PortFast on a switch port connected to an end device?
- Allows the port to immediately transition to the forwarding state
- Binds the MAC address to the switch port
- Disables spanning tree on the port
- Enables rapid spanning tree convergence
Configuring PortFast on a switch port connected to an end device allows the port to immediately transition to the forwarding state, eliminating the delay introduced by spanning tree protocol.
The process of modifying the source and destination IP addresses of IP packets during transit across a traffic routing device is known as __________.
- ARP (Address Resolution Protocol)
- DHCP (Dynamic Host Configuration Protocol)
- ICMP (Internet Control Message Protocol)
- NAT (Network Address Translation)
Network Address Translation (NAT) is the process of modifying the source and destination IP addresses of IP packets during transit across a traffic routing device.
An organization needs to implement a system to securely authenticate responses to DNS queries to prevent cache poisoning. What technology should they implement?
- DNS Over HTTPS (DoH)
- DNS Security Extensions (DNSSEC)
- DNS Cryptography
- DNS Spoofing
DNS Security Extensions (DNSSEC) is a technology used to secure DNS responses and prevent cache poisoning attacks.
What feature should be enabled on network devices to secure access and track changes made by different users?
- VLANs
- Port Security
- SNMP
- AAA (Authentication, Authorization, and Accounting)
AAA (Authentication, Authorization, and Accounting) should be enabled on network devices to secure access and track changes made by different users.
Which WAN technology provides dedicated, high-bandwidth connectivity using fiber-optic cable?
- MPLS
- Frame Relay
- DSL
- SONET/SDH
SONET/SDH (Synchronous Optical Networking/Synchronous Digital Hierarchy) provides dedicated, high-bandwidth connectivity using fiber-optic cable.