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What is the same for both copper and fiber interfaces when using SFP modules?
A. They support an inline optical attenuator to enhance signal strength
B. They provide minimal interruption to services by being hot-swappable
C. They offer reliable bandwidth up to 100 Mbps in half duplex mode
D. They accommodate single-mode and multi-mode in a single module
What is a function of TFTP in network operations?
A. transfers a backup configuration file from a server to a switch using a username and password
B. transfers files between file systems on a router
C. transfers a configuration files from a server to a router on a congested link
D. transfers IOS images from a server to a router for firmware upgrades
Which CRUD operation modifies an existing table or view?
A. read
B. create
C. replace
D. update
An engineer must configure interswitch VLAN communication between a Cisco switch and a thirdparty switch. Which action should be taken?
A. configure IEEE 802.1p
B. configure IEEE 802.1q
C. configure ISL
D. configure DSCP
What is a function of a remote access VPN?
A. used cryptographic tunneling to protect the privacy of data for multiple users simultaneously
B. used exclusively when a user is connected to a company’s internal network
C. establishes a secure tunnel between two branch sites
D. allows the users to access company internal network resources through a secure tunnel
What is a DHCP client?
A. a workstation that requests a domain name associated with its IP address
B. a host that is configured to request an IP address automatically
C. a server that dynamically assigns IP addresses to hosts.
D. a router that statically assigns IP addresses to hosts.
Which two functions are performed by the core layer in a three-tier architecture? (Choose two)
A. Provide uninterrupted forwarding service.
B. Police traffic that is sent to the edge of the network.
C. Provide direct connectivity for end user devices.
D. Ensure timely data transfer between layers.
E. Inspect packets for malicious activity.
Refer to the exhibit. A network administrator must permit SSH access to remotely manage routers in a network. The operations team resides on the 10.20.1.0/25 network. Which command will accomplish this task?
A. access-list 2699 permit udp 10.20.1.0 0.0.0.255
B. no access-list 2699 deny tcp any 10.20.1.0 0.0.0.127 eq 22
C. access-list 2699 permit tcp any 10.20.1.0 0.0.0.255 eq 22
D. no access-list 2699 deny ip any 10.20.1.0 0.0.0.255
Which configuration management mechanism uses TCP port 22 by default when communicating with managed nodes?
A. Ansible
B. Python
C. Puppet
D. Chef
What is a practice that protects a network from VLAN hopping attacks?
A. Enable dynamic ARP inspection
B. Configure an ACL to prevent traffic from changing VLANs
C. Assign all access ports to VLANs other than the native VLAN
D. Implement port security on internet-facing VLANs