Skip to content
- Depending on your occupation, this could be the most difficult or the easiest.
- This exam as the time of being, was updated Jan 2019, which means a lot of new features did not exist then!
- For example NLB added support for UDP in Jun 2019, which means if you see “UDP” in question and you should immediately rule out ELB options!
- About 30% of the questions are related to Direct Connect, so understanding DX is very important.
- Within that, there are a few questions directly aim at testing your knowledge about BGP
- About 15% are related to how VPCs are connected together.
- About 20% are about VPC in general, like security groups, NACL, routing tables, etc.
- About 10% are related to DNS and Route 53
- You need to know about S3 endpoints, its setup, policies, which come up in the exam more than what I would expect
- Vocabulary check
- BGP
- Route Propagation
- iBGP
- trunking
- 802.1
- QinQ
- VGW
- IPSec VPN
- VLAN
- AS prepending
- ELB
- Single-mode Fiber
- NAT Gateway / Instance
- Private Hosted Zone
- AS Number
- Local preference / LOCAL_PREF
- VIF
- MPLS
- Routing table
- DX Gateway
- DNS Proxy
- Customer Gateway
- Security group
- VLAN Tags
- DX Location
- WorkSpaces networking requirement
- ACL / NACL
- Stateful
- Lambda@Edge
- CloudHub
- IP Prefixes
- AD Connector
- IGW
- Enhanced Networking
- Placement Group
- CloudHSM
- Dynamic / Static Routing
- Wireshark
- BFD
- DX cross-account sharing and data transfer billing
- Public Hosted Zone
- L2 Switch
- A / CNAME / ALIAS
- CIDR and binary calculations
- Hosted VIF
- Source/Destination Checking
- AS Path
- BIND
- MTU / Jumbo Frame
- BGP Community
- Flow Logs
- S3 Endpoint
- Match Origin
- DNS Forwarder
- VPCE
- VPC Peering
- Transit VPC
- DX
- Some general tips that may become handy
- IP 50 + UDP 500
- Use QinQ, then strip the outer tag
- DX use a different router even if you provision twice at the same location
- DX public VIF connects to any region, private VIF needs DX gateway
- DX public VIF is used for IPSec VPN
- Security group is regional
Like this:
Like Loading...