Answer:
A “breadcrumb” (or “breadcrumb trail”) is a type of secondary navigation scheme that reveals the user's location in a website or Web application. The term comes from the Hansel and Gretel fairy tale in which the two title children drop breadcrumbs to form a trail back to their home.
Explanation:
A breadcrumb or breadcrumb trail is a graphical control element frequently used as a navigational aid in user interfaces and on web pages. It allows users to keep track and maintain awareness of their locations within programs, documents, or websites. Breadcrumbs make it easier for users to navigate a website – and they encourage users to browse other sections of the site. ... You head to their site and end up on The Nestle company history page. Using their breadcrumbs, you can easily navigate back to About Us, History, or even their home page.
 
        
             
        
        
        
Answer:
The title of RFC 4890 is "Recommendations for Filtering ICMPv6 Messages in Firewalls" and it was published in 2007.
Explanation:
RFC 4890 is the memo that was published in 2007. This document is about the recommendations of filtering messages that are harmful and having security risk for Internet Control Message Protocol ICMP version 6. 
In this document different types of risk associated ICMPv6 protocol while forwarding messages. This memo recommends filtering techniques to drop the harmful messages and make the communication secure. 
 
        
             
        
        
        
Answer:
The answer is "The global Address List (GAL) is publishes in the new certificates".
Explanation:
Describe the GAL with relate to smart card: 
- The GAL is a part of the outlook, that allows the users to make a group of mutual contacts and resources specified for your G Suite domain and searchable directory.  
 - It provides the main mail app, that offers you to make global contacts, and also provides basic contact, with the use of business shares global addresses with others.  In this process, the co-worker can change their smart card.
 
 
        
             
        
        
        
Answer:
b. Machine learning
Explanation:
The technique that is being described in this situation is known as Machine Learning. This is a fairly new technology that has become popular over the last decade. Machine learning uses artificial intelligence to analyze data and learn from it. Every time the system analyzes the data it learns something new, saves it, and implements it to its processes. Therefore, the more times it repeats the more it learns. These systems are continuously getting better and learning more, which makes them incredibly efficient.
 
        
             
        
        
        
Answer:
Radius = 14 cm = 0.00014 km
Circumference = 2πr = 2 × 22/7 × 14/100000 = 0.00088 km
As it went thousand times , distance covered = 0.00088 × 1000 = 0.88 km