Cisco 400-101 CCIE Routing and Switching Written Exam Online Training
Cisco 400-101 Online Training
The questions for 400-101 were last updated at Sep 15,2025.
- Exam Code: 400-101
- Exam Name: CCIE Routing and Switching Written Exam
- Certification Provider: Cisco
- Latest update: Sep 15,2025
Drag and drop the PPPoE packet type on the left to the corresponding description on the right.
Which three statements about bridge assurance are true? (Choose three.)
- A . Bridge assurance must be enabled on both ends of a link.
- B . Bridge assurance can be enabled on one end of a link or on both ends.
- C . Bridge assurance is enabled on STP point-to-point links only.
- D . Bridge assurance is enabled on STP multipoint links only.
- E . If a bridge assurance port fails to receive a BPDU after a timeout, the port is put into a blocking state.
- F . If a bridge assurance port fails to receive a BPDU after a timeout, the port is put into an error disabled state.
Refer to the exhibit.
Which option describes the purpose of the as-set argument of the aggregate-address command?
- A . It provides an AS path in the aggregate advertisement that contains only the local AS number
- B . It provides an AS path in the aggregate advertisement that includes the AS numbers of the component members
- C . It provides a predefined AS path in the aggregate advertisement that is used to indicate an aggregate prefix
- D . It provides a list of AS numbers to which the aggregate is advertised
An employee at a targeted company downloads an IoT software update from a vendor’s site that has been compromised with a Triggered software update. what kind of threat is this considered as?
- A . Inside threat
- B . Sophisticated actors threat
- C . Outside threat
- D . Social engineering
Refer to the exhibit, while troubleshooting a connection failure on R1, you determine that F0/0 is down as shown, but the static route toward 172.168.0.0/16 still uses 192.168.12.2 as the next hop.
Which action can you take so that the floating static route through interface F0/1 is used when F0/0 is down?
- A . Configure the primary route with both the next hop IP address and the egress interface
- B . Configure the floating static route with an Administrative Distance of 100 instead of 250
- C . Configure the floating static route with the egress interface of the next hop IP address
- D . Configure the floating static route with an Administrative Distance of 255 instead of 250
Drag and drop the logical components of a traditional SDN infrastructure into the correct order, similar to the Open System interconnection model (OSI model) working your way up from the network infrastructure layer
What are three common objectives for customers using multiple cloud providers? (Choose three)
- A . Bandwidth
- B . Regional cloud provider access
- C . High availability
- D . Security
- E . Analytics
- F . Feature disparity
Which three common network endpoints options are used in multicloud networking? (Choose three)
- A . SSL connections
- B . Colocation Peering
- C . Open Source VPN Platform
- D . GRE Tunnels
- E . Native IPsec VPN Services
- F . Next Generation Firewall Services
Which IEEE standard defines wireless access in vehicular environments?
- A . 802.11k
- B . 802.11af
- C . 802.11ac
- D . 802.11p
Which IP SLA operation requires Cisco endpoints?
- A . UDP Jitter for VoIP
- B . UDP Jitter
- C . ICMP Echo
- D . ICMP Path Echo
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